1981AVADefend
After Defender · Williams
Defender rebuilt from the original's documented behaviour: smart bombs, hyperspace, humanoid rescues and the hall of fame.
Select your game
Each one is a single self-contained program: download, unpack, run. No installer and no .NET needed.
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1981
1982AVATron
After Robotron: 2084 · Williams
Twin-stick arena shooter. Save the last human family from wave after wave of grunts, brains and enforcers.
1981AVATempest
After Tempest · Atari
Ride the rim of the tube in red vector wireframe, with gamepad support and the warp between levels.
1979AVALander
After Lunar Lander · Atari
Wireframe terrain, a fuel gauge and a landing pad. Watch your vertical speed, and the asteroids.
1979AvaRoids
After Asteroids · Atari
Inertia, wraparound space, saucers with an alert siren, and controller support.
1981AVARace
After Omega Race · Midway
Bounce off the octagon's walls while droids lay mines. Spawn protection and explosions included.
1979AVAGunner
After Tailgunner · Cinematronics
Defend the rear of your ship in 3D vector space. Now with Capitol Ship mini-bosses, turrets and missiles.
1980AVACastle
After Star Castle · Cinematronics
Shoot through three counter-rotating rings to hit the cannon, while it fires through the gaps and homing mines close in.
1983AVATrek
After Star Trek: Strategic Operations Simulator · Sega
Command the Enterprise from a 3D main viewer and tactical scanner against Klingons, anti-matter saucers and Nomad, docking at starbases to refill.
1983AVAWars
After Star Wars · Atari
Dogfight TIE fighters, skim the Death Star's towers, then run the trench past Vader and put a torpedo down the exhaust port.
1980AVAZone
After Battlezone · Atari
Tank combat through the periscope on a wireframe plain: radar, tanks, missiles, supertanks and the saucer, under the volcano.
1983AVASinstar
After Sinistar · Williams
Mine planetoids for Sinibombs while workers build the Sinistar piece by piece. Beware, I live!
1980AVABerzerk
After Berzerk · Stern
Shoot your way through a maze of electrified rooms and talking robots before Evil Otto bounces in. Intruder alert!
1980AVAMissile
After Missile Command · Atari
Defend six cities from warheads, MIRVs, bombers and smart bombs with three missile bases, until THE END.
1982AVAGravitar
After Gravitar · Atari
Fight the star's pull, raze bunkered planets, tractor fuel aboard and escape the reactor before it blows.
1978AVAInvaders
After Space Invaders · Taito
The march of the invaders, synthesised sound effects and full gamepad support.
1981AVAGalaga
After Galaga · Namco
Swooping waves, a breathing formation, and a tractor beam: lose a fighter, win it back, and fly two at once.
1982AVAJoust
After Joust · Williams
Flap your ostrich above the buzzard riders: the higher lance wins. Grab the eggs before they hatch; two can play at once.
1980AVACentipede
After Centipede · Atari
Shoot the centipede apart in a field of mushrooms while the spider, flea and scorpion close in. Steer with the mouse like a trackball.
1982AVAMoonPatrol
After Moon Patrol · Irem
Drive the moon buggy from A to Z: jump craters and mines, shoot rocks and tanks ahead and saucers overhead, and beat the clock to each checkpoint.
1980AVAPacMan
After Pac-Man · Namco
Clear an original maze while four ghosts hunt you, each its own way; eat an energizer and turn the chase round. Fruit, coffee breaks and a rising siren.
1981AVAKong
After Donkey Kong · Nintendo
Climb the building site to rescue the captive: jump the ape's barrels, grab a hammer, ride the lifts and pull every rivet to bring him down.
1981AVAFrogger
After Frogger · Konami
Hop five frogs home across the traffic and the river: ride logs and diving turtles, dodge the snake and the crocodiles, and beat the clock.
1982AVADigDug
After Dig Dug · Namco
Tunnel through four layers of earth, pump the monsters up until they pop, dodge the fire, and drop rocks on whatever's below.
1982AVABurgerT
After BurgerTime · Data East
Walk the burger layers down the floors onto the plates while a sausage, an egg and a pickle chase you; pepper them, squash them, or take them for a ride.
1982AVAQ-Bert
After Q*bert · Gottlieb
Hop diagonally round a pyramid of cubes changing every colour; dodge the bouncing balls, lure the viper off the edge from a spinning disc, and curse when caught.
1981AVAQix
After Qix · Taito
Draw lines across the open field and close them on the border to claim ground, while the qix tumbles about and the sparx run the border after you.
1983AVALodeRunner
After Lode Runner · Broderbund
Gather every piece of gold and climb out the top; dig holes to trap the guards. Eight original levels and a level editor for making your own.
1982AVAXevious
After Xevious · Namco
Zap what flies and bomb what's on the ground through the sight ahead; find the hidden Sol towers and bring down the Andor Genesis by its core.
1986AVAArkanoid
After Arkanoid · Taito
Break every brick through twelve original rounds with lasers, three balls and the way out at the side, then face the Monolith; mouse or keyboard.
1981AVAScramble
After Scramble · Konami
Fly six stages of mountains, caves, city and maze to the enemy base, laser ahead and bombs below, hitting fuel tanks to keep the gauge from running dry.
1986AVABubble
After Bubble Bobble · Taito
Blow bubbles to trap the monsters, then pop a crowd at once for double, double, double; collect EXTEND and keep ahead of the Shade.
1985AVAGauntlet
After Gauntlet · Atari Games
Choose warrior, valkyrie, wizard or elf and fight down through endless dungeons; shoot the generators, find food and keys, and only magic stops Death.
1982AVATimePilot
After Time Pilot · Konami
Your plane holds the centre while the sky wheels round it: dogfight through 1917, 1943, 1966, 1988 and 2061, down each era's great ship, and warp ahead.
1984AVA1942
After 1942 · Capcom
Take off from the carrier and fight up the ocean through fighter waves, red squadrons and bombers; loop out of trouble, down the great bomber and land on the next carrier.
1987AVADungeonMaster
After Dungeon Master · FTL Games
Free four champions from the Hall of Mirrors and take them down the Deepvault in real time: rune magic, torches and hunger, eight levels of puzzles, and Vorthane the Unmade below.
1983AVAMule
After M.U.L.E. · Ozark Softscape
Four colonists on the world of Verdance: claim land, lead robot mules out to farm, power and mine it, and haggle in live auctions to get rich without starving the colony.
1988AVARadiance
After Pool of Radiance · SSI
A company of six takes back the ruined city of Corvane for its council: first-person streets, tactical grid battles, memorised spells, and the Hollow Regent waiting at the Lumen Well.
1981AVAWizardry
After Wizardry · Sir-Tech
Six adventurers, a ten-level wireframe maze, and the mad archmage Morthrain waiting at the bottom.
1982AVAGard
After Telengard · Avalon Hill
The 50-level dungeon rebuilt room for room, in real time, with a Modern mode that adds an automap and no time limit.
1983AVAUltima3
After Ultima III: Exodus · Origin
Party creation, towns, dungeons, gem socketing and an OpenAL soundtrack.
1985AVABardsTale
After The Bard's Tale · Interplay
Skara Brae and its catacombs, procedural music that darkens as you descend, and a second tower to delve.
1986AVAMMB1
After a 1986 classic
First-person party dungeon crawl with towns, automap, riddles, daily challenges and a map editor.
1990AVABand
After Angband · Angband team
Angband 4.2 in C#. Its game data is checked against 4.2.5 on every build.
1986AVAFlight
After Starflight · Binary Systems
Crew, starships, alien diplomacy, planet surveys by terrain vehicle, and real-time combat.
1984AVAElite
After Elite · Acornsoft
Trading, docking and dogfights across eight galaxies, rendered in wireframe.
On Linux some games need aplay for sound, or SDL2 for gamepads on ARM. Each game's README says which.
The workbench
Editors, controls and utilities, also cross-platform with Avalonia.
AVASvgMaker
Application · C# · Avalonia · .NET 9
Visio-style diagram editor. Reads .vsdx; exports SVG, PNG, PDF, Mermaid and .vsdx.
- 167 stencils: flowchart, BPMN, UML, network, electrical, logic and more
- Connectors that route themselves round shapes, and round each other
- Opens Visio, SVG and Mermaid; exports SVG, PNG, PDF and .vsdx
DORI
Application · C# · Avalonia · .NET 8
Directory Opus reimagined: a cross-platform file explorer in .NET and Avalonia.
- Two panels with folder tabs, after the Amiga's Directory Opus
- Compares and syncs folders, by date or by content hash
- Google Drive, OneDrive, Dropbox, S3 and 40 more, through rclone
AVAQueryBuilder
Application · C# · Avalonia · .NET 9 · SQL Server
Graphical query builder for Microsoft SQL Server.
- Builds SELECT queries as a diagram of tables, joins and filters
- 25+ derived fields, GROUP BY with HAVING, sorting, TOP and DISTINCT
- Finds SQL Servers on the network, runs the query and shows the rows
CirqAvalonia
Application · C# · Avalonia · .NET 10
Electronic circuit simulator: draw a schematic and watch it run on a live oscilloscope.
- 186 parts: RLC, transistors, op-amps, the 555, 74xx and 4000 logic, displays
- SPICE-style analog solver and event-driven digital logic in one simulation
- Live triggered scope, frequency response, FFT and protocol decoding
CCReimagined
Application · C# · Avalonia · .NET 10
CODE Complete rebuilt: point it at a database table and it writes the C# data class.
- Browses SQL Server, PostgreSQL, MySQL/MariaDB, SQLite and Oracle
- Writes a typed C# class: async read, add, update, delete and list getters
- Browse one engine and generate for another, to port a table between them
ControllerExplorer
Application · C# · Avalonia · .NET 9 · HID
Shows the raw bytes a USB or Bluetooth game controller sends, live, for writing code that reads it.
- Lists every connected USB and Bluetooth controller by VID:PID
- Each byte live in hex and binary, lit up the moment it changes
- Xbox-style pads read through XInput on Windows, HID everywhere else
DATASET A DATASET B SIM John Smith Jon Smyth 0.91 P. Raghunathan P. Ragunathan 0.96 Acme Corp. ACME Corporation 0.88 Mary O'Neil Mary ONeill 0.90 Dave Kowalski David Kowalsky 0.86 threshold 0.85 · 5 pairs · export xlsx
Vector Match Engine
Application · C# · Avalonia · .NET 8 · ML.NET · SQL Server
Finds the same person or company across two Excel sheets with no shared key and the names spelled differently.
- Each row becomes a 512-dimension vector of character trigrams, so typos stay close
- Every record in A scored against every one in B, above a threshold you set
- Matched pairs side by side, exported to a formatted Excel workbook
TODO DOING DONE #21 Avatars #17 Search #12 Login #22 Reports #18 Audit #13 Kanban #23 Webhooks #15 OIDC #24 Exports #16 Invites
ProjectJA
Web application · C# · Blazor · .NET 10 · PostgreSQL
A lightweight Jira-style issue tracker, in the making, to run as SaaS or on your own server.
- A drag-and-drop kanban board that updates live in every open browser
- A database per tenant for SaaS, or one Docker stack on-prem
- Full-text search, invites, single sign-on (OIDC) and an audit log
AVASdCanvas
Control · C# · Avalonia · .NET 9
On NuGet · v1.0.1 · 188 downloads
Structured drawing canvas that code can populate and users can interact with.
- Graph-paper canvas of entities joined by arrowed connectors
- Snap to grid, automatic placement, and dragging with live connectors
- Click, double-click, right-click and hover events carry your metadata
AvaloniaDiagramerControl
Control · C# · Avalonia
On NuGet · v1.0.0 · 190 downloads
The VB.Net-era LineChart control, rebuilt for Windows, macOS and Linux.
- Up to ten data series, with polynomial trend lines
- Animated flashing to pick one series out of the rest
- Grid, knot markers and banded backgrounds; every colour and font styleable
Avalonia3DCanvas
Control · C# · Avalonia · .NET 9
On NuGet · v1.0.0 · 226 downloads
3D object viewer for Avalonia and .NET 9.
- Loads .3DS, .OBJ, .STL, .PLY and .FBX models
- Wireframe drawing, centred and scaled to fit automatically
- Smooth rotation on all three axes, at any speed
AvaloniaTimeLineControl
Control · C# · Avalonia
On NuGet · v1.0.1 · 329 downloads
Timeline control for Avalonia applications.
- Up to ten timeline rows side by side
- 30 chicklet styles: ten colours, each a box, a circle or a triangle
- Wheel and keyboard scrolling, weekends, month labels and overlap markers
SyntaxColorizer
Control · C# · Avalonia · .NET 8 · NuGet
On NuGet · v1.0.2 · 524 downloads
Syntax-highlighting text box for Avalonia, with no dependencies beyond Avalonia itself.
- Highlights 38 languages as you type, from C# and Rust to T-SQL and Mermaid
- 14 built-in colour themes, and line numbers you can switch off
- Linting with your own rules, and an MVVM-friendly design
On NuGet
Avalonia controls, ready to add to a project of your own: 7 packages, 2,080 downloads so far.
NuGet · v1.0.2 · .NET 8
SyntaxColorizer
A syntax highlighting TextBox control for Avalonia with support for 37 programming languages and 14 built-in color themes. Features real-time highlighting, line numbers, and linting infrastructure.
dotnet add package SyntaxColorizerNuGet · v1.0.2 · .NET 9
LAWgrid
A highly customizable data grid control for Avalonia UI with built-in support for multiple databases including SQL Server, Oracle, MySQL, PostgreSQL, MongoDB, and DB2.
dotnet add package LAWgridNuGet · v1.0.1 · .NET 8
AvaloniaTimeLineControl
A powerful timeline visualization control for Avalonia applications.
dotnet add package AvaloniaTimeLineControlNuGet · v1.0.0 · .NET 9
Avalonia3DCanvas
LWO) with automatic rotation and canvas resizing. Features wireframe rendering, customizable line colors and thickness, and smooth animation.
dotnet add package Avalonia3DCanvasNuGet · v1.0.0 · .NET 9
AvaloniaDiagramerControl
A powerful, customizable multi-series line chart control for Avalonia UI applications.
dotnet add package AvaloniaDiagramerControlNuGet · v1.0.1 · .NET 9
AVASdCanvas
An Avalonia canvas control for rendering structured diagrams with colorized labeled entities, connectors with configurable endpoints, a graph-paper grid background, drag-and-drop, hit testing, and arbitrary…
dotnet add package AVASdCanvasNuGet · v0.1.1 · .NET 9
LawTreeView
An Avalonia tree-view control with drag-drop reordering, icons, selection, keyboard navigation, hover/selection styling, and a context menu.
dotnet add package LawTreeViewDay job
Healthcare records, reporting and code generation: the systems that pay for the arcade.
Behavioral health EHR · private repo
CARES
Electronic health records with reporting, records management and a web portal.
Query builder · private repo
Cares Query Reporter
Point-and-click database queries, with client-specific builds.
Data-access framework
CODE Complete
A database abstraction tool that grew into a full data-access code generator.
REST service
Code Generation API
CODE Complete's generation as a RESTful API for enterprise deployment.
Hall of fame
The originals, oldest first, and what each became here.
High scores
| Rank | Year | Original | Rebuilt as |
|---|---|---|---|
| 1st | 1978 | Space Invaders | AVAInvaders |
| 2nd | 1979 | Asteroids | AvaRoids |
| 3rd | 1979 | Lunar Lander | AVALander |
| 4th | 1979 | Tailgunner | AVAGunner |
| 5th | 1980 | Battlezone | AVAZone |
| 6th | 1980 | Berzerk | AVABerzerk |
| 7th | 1980 | Centipede | AVACentipede |
| 8th | 1980 | Missile Command | AVAMissile |
| 9th | 1980 | Pac-Man | AVAPacMan |
| 10th | 1980 | Star Castle | AVACastle |
| 11th | 1981 | Defender | AVADefend |
| 12th | 1981 | Donkey Kong | AVAKong |
| 13th | 1981 | Frogger | AVAFrogger |
| 14th | 1981 | Galaga | AVAGalaga |
| 15th | 1981 | Omega Race | AVARace |
| 16th | 1981 | Qix | AVAQix |
| 17th | 1981 | Scramble | AVAScramble |
| 18th | 1981 | Tempest | AVATempest |
| 19th | 1981 | Wizardry | AVAWizardry |
| 20th | 1982 | BurgerTime | AVABurgerT |
| 21st | 1982 | Dig Dug | AVADigDug |
| 22nd | 1982 | Gravitar | AVAGravitar |
| 23rd | 1982 | Joust | AVAJoust |
| 24th | 1982 | Moon Patrol | AVAMoonPatrol |
| 25th | 1982 | Q*bert | AVAQ-Bert |
| 26th | 1982 | Robotron: 2084 | AVATron |
| 27th | 1982 | Telengard | AVAGard |
| 28th | 1982 | Time Pilot | AVATimePilot |
| 29th | 1982 | Xevious | AVAXevious |
| 30th | 1983 | Lode Runner | AVALodeRunner |
| 31st | 1983 | M.U.L.E. | AVAMule |
| 32nd | 1983 | Sinistar | AVASinstar |
| 33rd | 1983 | Star Trek: Strategic Operations Simulator | AVATrek |
| 34th | 1983 | Star Wars | AVAWars |
| 35th | 1983 | Ultima III: Exodus | AVAUltima3 |
| 36th | 1984 | 1942 | AVA1942 |
| 37th | 1984 | Elite | AVAElite |
| 38th | 1985 | Gauntlet | AVAGauntlet |
| 39th | 1985 | The Bard's Tale | AVABardsTale |
| 40th | 1986 | Arkanoid | AVAArkanoid |
| 41st | 1986 | Bubble Bobble | AVABubble |
| 42nd | 1986 | Party RPG classic | AVAMMB1 |
| 43rd | 1986 | Starflight | AVAFlight |
| 44th | 1987 | Dungeon Master | AVADungeonMaster |
| 45th | 1988 | Pool of Radiance | AVARadiance |
| 46th | 1990 | Angband | AVABand |
Player profile
I'm now an old architect in a small piece of a very large company that bought us about twelve years ago. I've been into computers since grade school in the late '70s, and I still like building things end to end.
At work I'm focused on modernization. At home it's local LLMs, single-board computers, and recreating the games that got me hooked, built from their documented behavior and released for every platform I can reach.
- Class
- Architect
- Since
- Late 1970s
- Weapons
- C#, .NET, Avalonia
- GitHub
- Harlock123
- lonnie-watson