Brett Chalupa

@brettmakesgames.bsky.social

128 Followers 175 Following

Game dev focused on finishing what I start and sharing what I learn along the way! Currently making shmups and Usagi Engine. Check out Usagi: https://usagiengine.com https://brettmakesgames.com

gameplay showing pixel ship shooting down and enemies and releasing a bomb, collecting yellow triangle chips
Usaji Jam 2026 - make games, have fun - July 3-13, 2026 with illustration of bunny girl bunbun mascot by OmaruDraw
Completed game showing a player moving, firing bullets, and defeating enemies
usagi book cover with illustration of rabbit: GAME PROGRAMMING WITH USAGI; a beginner-friendly guide to coding games with Lua by Brett Chalupa
little pixel art mouse rolling around on a yoyo traversing platforms
book cover showing rabbit illustrations with GAME PROGRAMMING WITH USAGI as the title
Screenshot of the itch page for Games tagged Shoot 'Em Up, showing a grid of games with my game NEOGEAR being in the 4th position
Gameplay showing a ship firing bullets and using a bomb to cancel
Older man named Porter smoking a cigar in the cockpit of a ship as aliens approach
Bullet hell gameplay showing a ship dodging bullets, firing at enemies, and releasing a bomb
Cranko magazine with a section showing the Make Games for Playdate with Lua, with a Playdate console sitting on top of the zine
rotating cube with text that says "Usagi Demo"
spinning triangles - one green outline, filled pink, and filled orange
Pixel art dog pushing boxes around a grid level
white bullets approaching the player in a dense, spiral pattern
square green frog shooting bullets and dodging enemy bullets, then getting hit and dying
player unleashing bomb, circles expanding outward, clearing bullets and damaging enemies
gif showing navigating the pause menu, going up and down the options to change volume, toggle fullscreen, showing input mapping, etc.
enemies firing bullets at player, ultimately ending in player dying
player moving around and firing bullets while dodging enemy bullets
bunny pixel art icon next to Usagi Engine - Rapid 2D Prototyping
mouse clicking to set waypoints and circle navigating to each one
screenshot of Jukebox Usagi Tools with new theme - purple border and peach background
Combat in the game showing Attack and Run options with a squid and snake enemy
Screenshot of Playdate Simulator showing 1-Bit Fantasy cover with a dragon icon and the text "Playdate JRPG Prototype" underneath it
text box cycling through metal gear solid quotes
Rotating cube with stars and orbiting circles
Bulllets firing from enemy ship, explosion, pixel art
Screenshot of the Usagi Tools GUI running showing sprites.png with blue line overlays and index of each tile; the tiles are a bunny, a space ship, and two bullets.
character in dungeon talking to an NPC named Cabel with textbox that reads "FTP! SSH! Code editing! macOS! Games!"
Dragon pixel icon with text that says "1-Bit Fantasy - Playdate JRPG PRototype"
game UI showing selecting Attack and which enemies to target for each hero in turn-based combat game
JRPG combat showing the player selecting run and fleeing from combat
two loy poly car models with a shrine background, Van saying in textbox: "Funny running into you up here at the shrine on such a rainy April evening..."
Talking to innkeeper
Gif showing field menu with various options like items, magic, etc. Navigating back to main menu and loading up the game.
Playing navigating between maps, talking to NPCs, resting at the inn
tiler_picker app with image list
Combat screen with two squids and a reaper displayed. Attack and Run options. And text that reads "2x Squid and Reaper attack!"
Tile picker showing enemy sprites and their tile number
Main menu screen for Final Dragon Fantasy
Circle rotating around the middle, dodging hexagonal walls closing in
Animated gift of bunny sprites bouncing around on screen, increasing the number on screen
"Hello, Playdate" text using the Roobert 24 Medium system font instead of the default
Gameplay of a black and white RPG where the player explores the map, talks to NPCs, and fights a snake
Screenshot of Rust code showing using an enum for mapping to sprite tile indexes
Screenshot of an application window showing a large pixel tilesheet with tile index numbers and lines over each tile
Screenshot of the itch page showing roguelike dungeon crawler and a Download Now button
Gameplay of 1-bit dungeon crawler showing player using Ice Spell and freezing enemies
text-only screenshot of a Playdate game where the top bar shows HP, level, fullness, and floor. The main textboxt in the gameplay area shows "You leveled up!"
Photo of PS2 game Nightmare of Druaga
stats screen showing high-score, plays, and apples eaten
screenshot of the game featuring 9 score and the snake moving toward the circular apple
gif of playdate screenrecording showing the process of using the PD QR Code Gen tool