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Mindustry screenshot

Mindustry

Build drills, conveyor belts, and factory supply chains to keep your turrets stocked with ammo, then manufacture combat units to capture enemy bases while defending your core against waves of attackers in this hybrid tower-defense RTS.

SuperTux screenshot

SuperTux

Run and jump with Tux across several worlds on the way to Nolok's fortress, defeating enemies by stomping on them, bumping them from below, or throwing objects at them, and collecting power-ups along the way.

2048 screenshot

2048

Slide numbered tiles across a grid to merge matching pairs into their sum and reach the 2048 tile.

Neverball screenshot

Neverball

Tilt the floor to roll a ball through an obstacle course against the clock. Collect enough coins to unlock the goal; falling off or running out of time costs a life, and every 100 coins earns an extra ball.

Snake screenshot

Snake

Guide the snake to each piece of food and grow longer with every bite without crashing into the walls or your own tail.

Luanti screenshot

Luanti

Formerly known as Minetest, Luanti is an open-source voxel game engine paired here with Minetest Game—a peaceful single-player block sandbox with no set objectives or hostile mobs where you explore, mine stone and ore, craft tools, and build freely.

Warzone 2100 screenshot

Warzone 2100

Command forces across a post-nuclear world in Warzone 2100, an open-source 3D real-time strategy game. Research over 400 technologies, custom-design modular vehicles from chassis, propulsion, and weapons, and battle through a persistent story campaign or AI skirmishes.

Partial Combat: Clickbait Tactics screenshot

Partial Combat: Clickbait Tactics

Lead a squad of green plastic toy soldiers down an ocean pier against waves of the tan army. Your troops fire automatically while you steer through multiplier gates, dodge incoming artillery, and take down the giant or mech boss at the end of each stage across 20 levels or endless mode.

Freedoom: Phase 1 screenshot

Freedoom: Phase 1

Battle through four nine-level episodes—36 levels in total—in a standalone first-person shooter running on the Doom engine with all-original levels, monsters, and weapons.

SuperTuxKart screenshot

SuperTuxKart

Race karts in 3D across underwater, farmland, jungle, and space circuits in SuperTuxKart, an arcade kart racer packed with power-ups, nitro boosts, and hazards.

Sudoku screenshot

Sudoku

Fill the 9×9 grid so that every row, column, and 3×3 box contains the digits 1 through 9 exactly once. Every puzzle has a unique solution solvable by logic alone.

Freeciv screenshot

Freeciv

Guide a civilization from antiquity to the space age in Freeciv, a turn-based 4X empire-building strategy game modeled on Civilization II. Found cities, develop terrain, research new technologies, and compete against AI-controlled rival empires through conquest or by launching the first spacecraft to Alpha Centauri.

Branchwise screenshot

Branchwise

Learn Git hands-on by typing real commands. Each level presents a repository and a target state while the commit graph updates live. Lessons progress from basic commits, branches, merges, rebases, and remotes to bisect, worktrees, git switch, and rebase --update-refs.

Breakwall screenshot

Breakwall

Keep the ball in play with your paddle and smash every brick across 30 arcade breakout levels. Destroyed bricks drop power-ups including paddle expanders, multi-ball, lasers, and fireballs.

Simutrans screenshot

Simutrans

Build and manage a profitable logistics network in Simutrans, an open-source transport tycoon simulation. Connect cities, industries, and landmarks with buses, freight trucks, railways, ships, and aircraft to haul passengers, mail, and cargo.

Freedoom: Phase 2 screenshot

Freedoom: Phase 2

Battle through a continuous 32-level campaign powered by the Doom engine in Freedoom: Phase 2, featuring tougher monsters, the iconic double-barreled super shotgun, and sprawling nonlinear maps.

Sapper screenshot

Sapper

Uncover every safe square on the minesweeper grid without triggering a mine. Numbered squares indicate how many mines border them; flag suspected mines to clear the board.

Tobu Tobu Girl Deluxe screenshot

Tobu Tobu Girl Deluxe

Bounce off enemies, dash, and flutter skyward as Tobu races the clock to rescue her floating cat in this Game Boy Color remaster of Tobu Tobu Girl.

OpenTTD screenshot

OpenTTD

Build and manage a transport empire in OpenTTD, an open-source business simulation modeled on Chris Sawyer's Transport Tycoon Deluxe. Construct rail networks, roads, docks, and airports to haul passengers, mail, and freight between towns and industries across the decades.

Flare screenshot

Flare

Battle through fast-paced hack-and-slash combat in a dark fantasy world. Flare: Empyrean Campaign is a single-player 2D action RPG.

Libbet and the Magic Floor screenshot

Libbet and the Magic Floor

Roll and jump across a four-shade floor as Libbet the boulder girl, leaving a trail each time you step onto a brighter shade until enough tiles are marked to open the exit. A Game Boy adaptation of Martin Korth's puzzle game Magic Floor.

µCity screenshot

µCity

Zone residential, commercial, and industrial districts in this Game Boy Color city-builder, supplying power, transit, and civic services to grow your settlement from a small village into a bustling capital.

Pinwork screenshot

Pinwork

Pull golden pins in the right sequence to guide treasure safely down to the waiting knight across 100 fixed pull-the-pin dungeon puzzles. Drag a pin to pull it only part way or push it back in, and free the pins that others hold in place. Pour water onto lava to cool it into stone, stop orcs before they reach the knight, and deliver enough gold to clear each chamber.

Taisei Project screenshot

Taisei Project

Weave through dense curtains of bullets and defeat six stage bosses in Taisei Project, a fan-made vertical bullet-hell (danmaku) shooter set in the Touhou Project universe.