No registration required:
- Single player
- Line Rider - physics sandbox game for drawing lines and watching a sledder ride them.
- Sandboxels - a free falling-sand simulator. Similar to powdertoy
- Little Alchemy 2 - combine elements to discover new ones
- Gravity Simulator - gravity simulator
- Multiplayer
- Eat smaller avoid bigger
- agar.io - control a cell, eat smaller cells to grow, and avoid larger players.
- slither - snake, grow by consuming orbs and players.
- diep.io - tank arena, upgrade stats, destroy shapes and players
- paperio.site - claim territory by drawing loops
- Draw and guess
- gartic.io - drawing and guessing
- skribbl.io - drawing and guessing
- FPS
- krunker.io - fast-paced FPS
- shellshock.io - FPS where players are eggs
- Board Games
- playingcards.io - simple virtual tabletop for custom games
- Other
- zombsroyale.io - 2D battle royale
- hitbox.io - physics-based multiplayer brawler
- bonk.io - physics-based multiplayer brawler
- territorial.io - real-time strategy, territory expansion
- Starblast.io - 2d space combat
- Eat smaller avoid bigger
Require registration:
- Kongregate - a web portal hosting thousands of free browser games with achievements, leaderboards, and community features
- Board Game Arena - platform to play official digital versions of many board games online with others.