MattyJacks Games
A preserved arcade of 38+ lightweight, ultra-responsive HTML5 & Three.js browser games: action roguelites, neon arcade classics, strategy sims, and typing survival.
Featured Games
Platform Wars: Phone vs Desktop
A fast cross-platform arena platformer. Phone team uses touch agility; Desktop team uses keyboard precision.
Last Words Zombies
A high-intensity 3D zombie typing survival game. Type holy words to banish shambling zombies before they overrun your graveyard camp.
Exit Waterfall Machine
An interactive cap table simulator and educational game. Learn why a large startup exit can leave founders and employees with absolutely nothing.
Financial Freedom
A deep, interactive finances simulator for a USA family. Navigate careers, taxes, debt, investments, real estate, and life events.
Server Saver Shield
Defend data centers from cyber attacks. Deploy your shield and save the network.
Overtake
A fast pseudo-3D arcade racer with unlockable routes, garage progression, and nitro boosts.
AssassinAnimals
Infiltrate procedurally generated facilities, collect DNA splices, and eliminate targets.
Battlesharks 2
Mutate your shark with cybernetic weapons in a deep sea eating simulator.
GraveGain3DA
A 3D dungeon crawler in a dark fantasy setting.
Orbital Drift
Control a satellite, dodge debris, and collect stardust.
Sound Painter 2
An advanced web music production studio and step sequencer.
GraveGain4DA
A 4D dark-fantasy golf rogue-like: putt lost souls across ana/kata hyperdungeons projected from the W-axis, rewind botched shots with chrono-sand, and breach the Light/Gloom branes.
Action & Shooters
Platform Wars: Phone vs Desktop
A fast cross-platform arena platformer. Phone team uses touch agility; Desktop team uses keyboard precision.
Last Words Zombies
A high-intensity 3D zombie typing survival game. Type holy words to banish shambling zombies before they overrun your graveyard camp.
Battlesharks 2
Mutate your shark with cybernetic weapons in a deep sea eating simulator.
GraveGain2dB: Breach MoonRock
A procedural left-to-right roguelite through destructible fortresses. Rescue random race/class builds, scavenge limited ammo, and reach extraction; Wave Mode is optional.
Neon Invaders
Defend against glowing alien waves in a neon space shooter.
The Revenue Dragon
Defeat delays, manual work, and data silos slowing growth.
GraveGain Series & RPGs
AssassinAnimals
Infiltrate procedurally generated facilities, collect DNA splices, and eliminate targets.
GraveGain2DA
A dark fantasy action RPG featuring procedural dungeons and dialogue.
GraveGain3DA
A 3D dungeon crawler in a dark fantasy setting.
GraveGain1DA: The Ley-Line March
A one-dimensional GraveGain RPG: walk the ley-line east in turn-based or real-time mode.
GraveGain5DA
A five-dimensional GraveGain RPG across six parallel Arroyos. Transcend each realm before its collapse timer expires.
GraveGain4DA
A 4D dark-fantasy golf rogue-like: putt lost souls across ana/kata hyperdungeons projected from the W-axis, rewind botched shots with chrono-sand, and breach the Light/Gloom branes.
Arcade, Neon & Racing
Server Saver Shield
Defend data centers from cyber attacks. Deploy your shield and save the network.
Overtake
A fast pseudo-3D arcade racer with unlockable routes, garage progression, and nitro boosts.
Orbital Drift
Control a satellite, dodge debris, and collect stardust.
AI-whack-a-mole
Whack rogue dangerous AIs while saving helpful ones.
FriendSlop
Feed your friends chaotic slop and dodge cringe.
Semester Survival
Survive eight chaotic semesters to graduate.
Neon Breaker
Smash glowing bricks, collect power-ups, and clear neon levels.
Neon Racer
Weave through a neon city, avoid obstacles, and survive at speed.
Neon Snake
Collect glowing orbs, grow longer, and avoid walls and yourself.
Neon Void Runner
Dodge obstacles in an endless digital void as speed increases.
The Speed Portal
Race through approvals, meetings, and legacy software obstacles.
Treasure Hunters
Grapple pipeline value, meetings, revenue, and customers.
Simulation, Strategy & Creative
Exit Waterfall Machine
An interactive cap table simulator and educational game. Learn why a large startup exit can leave founders and employees with absolutely nothing.
Financial Freedom
A deep, interactive finances simulator for a USA family. Navigate careers, taxes, debt, investments, real estate, and life events.
Demo Lichdom
Command your skeleton army to demolish buildings as a modern necromancer.
Fridge Simulator
Manage fridges, balance nutrition, and keep families alive.
Madi AI: Discover America
Sail with Madi AI from the English Channel to the New World. Gather data fragments at each port and sort them into the right categories to chart the next leg.
Sound Painter 2
An advanced web music production studio and step sequencer.
Sound Painter
Click tiles to paint music and color.
Temple of Lost Revenue
Recover lost deals, CRM data, and unanswered leads in an ancient maze.
The AI Expedition
Route datasets between agents, data lakes, and automations.
The Lost City of Customers
Scan the hidden valley to find potential customer regions.
The MADI AI Universe
Explore Pipeline Peaks, Revenue Jungle, and Temple of Automation.
The Pipeline Mountain
Climb from manual spreadsheets to revenue and market leadership.
The Revenue Jungle
Navigate manual processes, bad data, and slow decisions.