ProtonDB

Collects and aggregates user reports on how games run with Proton on Linux, offers tweaks, and lets you browse the Steam game catalog for Linux compatibility.

Dasi Post Office Manager

Play Dasi Post Office Manager — a management game where you run a post office, handle mail and serve customers to manage daily operations.

Squish Machine

Chick Flick

myTeardrop

Care for a virtual Teardrop (from Battle for Dream Island): feed her, tuck her into bed, and play mini-games.

Stupid Zombies 2

Puzzle shooter where you eliminate zombie hordes by aiming shots; bullets pierce and bounce, letting you hit multiple targets per shot. Playable with mouse or touch controls.

Papa's Cheeseria

Manage a sandwich shop: build and grill custom grilled-cheese sandwiches, add sides, serve customers, and complete achievements.

House of Hazards

House of Hazards is a multiplayer skill game where players race to complete tasks in an apartment while opponents set traps in real time to stop them; round rules vary.

Geometry Tower

Geometry Tower is an online game where you progress through tower levels as quickly as possible, practicing timing and skill.

Tunnel Rush

Tunnel Rush is a 3D arcade game where you steer through tunnels to dodge barriers. Single-player and local two-player modes. Use left/right (A/D) keys; Space pauses/restarts.

Cursed Treasure Level Pack

Match Arena

Multiplayer HTML5 match-3 puzzle where you compete in real time against another player to complete a goal within a limited number of moves. Click to swap tiles.

Mekabolt

Become a Puppy Groomer

Driftwave

Driftwave is a driving game where you steer, drift, and make quick turns to reach destinations while avoiding obstacles across levels. Select cars from a garage.

Screw Factory

Screw Factory simulates assembling objects using tools: tighten screws to build toys, furniture, electronics and more. Progress unlocks new tools, objects and upgrades; avoid over-tightening.

Pocket Zoo

Play Pocket Zoo, a clicker game where you tap to earn resources and expand a small zoo.

Become An Ear Doctor

A browser-based HTML5 game where players diagnose and treat ear conditions using tools and tests on desktop or mobile.

Noob Hook

Physics-based grappling hook game: drag and release to swing between blocks, avoid obstacles and traps, reach the finish, and collect coins to unlock skins.

Pizza Tower

Play Pizza Tower, an idle game that lets you earn resources over time and unlock upgrades to progress.

Duck Life 3

Choose an egg to breed a genetically modified duck, train its running, swimming, climbing, and flying skills, and compete in amateur, advanced, and professional races.

Death Chase

Racing game where you compete against other vehicles on obstacle courses, avoiding hazards that flip or destroy cars. Steer police cars, ambulances and trucks, use gems to activate auto-fire turret.

Avoid Dying

Archery game: aim with the cursor, hold left mouse button to shoot arrows at a target. Score increases with hits; misses can trigger a falling trap that kills the player.

Gladihoppers

Gladihoppers is an action game where you fight as a gladiator in arenas, choose classes and modes, earn gold and fame to upgrade gear and stats to survive.

Prosperous Universe

Browser-based multiplayer space economy game where players run companies to produce, trade, and influence markets and planetary politics via cooperation, negotiation and strategy. No PvP

Czech National Library

Playgame Tracker

Tool to track, organize, and store your game collection, recording titles, platforms, ownership, and play status.

LeapHop

Play LeapHop, a platform game where you control a character to jump across obstacles and reach the goal.

Glitch Dash

First-person obstacle-dodging game. Collect diamonds to buy checkpoints and saves while avoiding instant-death hazards. Use arrow keys to move and Space to jump.

String Theory 2 Remastered

String Theory 2 Remastered is a puzzle game where you drag and manipulate strings to move colored shapes into matching slots while guiding protagonist Eva to find lost colleagues in space.

Box Kid Puzzles

Who is? 2 Brain Puzzle & Chats

Puzzle game where you find clues by talking with characters, ask questions, gather information, and craft responses to solve more than 100 scenarios.

Eldyn

Eldyn is a browser-based, massively multiplayer hack-and-slash game where players fight monsters, upgrade characters, and cooperate or compete to survive in a dark fantasy world.

TypeRacer

TypeRacer is an online multiplayer typing game where players race by typing quotes from books, movies, and songs against live opponents.

TileFall.io

Multiplayer platformer where tiles disappear underfoot; run and jump between tiles, collide with other players, and try to stay on higher floors as others fall.

The Pillar

First-person puzzle demo on an island. Explore, solve tile-based puzzles by clicking and dragging, and move with WASD.

Cyber Cars Punk Racing

3D driving game set in a futuristic sky-high city. Race opponents, use nitro, complete missions to earn money for skins, upgrades and cars. Modes: Free Ride, Career, Hot Chase, Battle Arena.

Breaking the Bank

Interactive point-and-click game where you choose methods to break into a desert bank—tunnels, explosives, disguises, teleporter, etc.—with branching choices that lead to multiple endings.

Paper.io

Multiplayer territory capture game where players expand land by drawing trails, claim areas, and try to become the largest on the server while avoiding opponents.

Monster Truck Torment

3D racing game where you drive and balance a monster truck in dark arenas, perform stunts, customize vehicles, and use WASD/arrows (Space brake, Shift nitro).

lurkers.io

Lurkers.io is a free multiplayer browser game—no download required. It supports mods: players can host servers and script custom game modes.

Alien's Nest

Alien's Nest is a shooting game. Move with WASD, aim and shoot with the mouse to survive aliens, demons, and other enemies in an industrial environment.

Oasis Decart AI

Oasis Decart AI generates real-time open-world game environments that change and respond to each player's actions, producing a unique interactive session every time.

Relmz2.io

3D browser game: pilot a ship, engage naval combat against AI and players, earn in-game money to upgrade vessels and compete for control of the seas.

Pixel Express

Control rail junctions to route trains, prevent collisions, and deliver cargo to destinations. Earn coins and resources to expand and develop your city.

Dinogen Online

Dinogen Online is a 2D multiplayer top-down shooter. Players play as humans or dinosaurs in objective modes (team deathmatch, capture the flag, destruction), fight survival waves, and create/share maps and missions with an editor.

QWOP

QWOP is a skill game where you control a runner's thighs and calves with the Q, W, O and P keys to move forward while trying not to fall.

Cheese Dreams

Test Subject Arena 2

Platform game where you navigate a dangerous laboratory, fight other test subjects, and escape evil scientists across varied levels. Controls explained in-game.

Boxing Physics 2

Boxing Physics 2 is a boxing game where you knock down opponents, manage stamina/defense, earn money and unlock characters, and play alternate modes (kickbox, crazy, soccer).