Play the Quake II demo in your browser via WebAssembly. The official shareware demo includes Unit 1 of the singleplayer campaign.
Game Data
- Quake II: The Invasion — The official demo (1997). Unit 1 of the singleplayer campaign — fight the Strogg invasion. Freely redistributable shareware.
Engine
Powered by Qwasm2 — Yamagi Quake II compiled to WebAssembly via Emscripten. Features WebGL 2 rendering, software rendering fallback, and in-browser save games.
Controls
- WASD — Move
- Mouse — Aim
- Left click — Fire
- E — Use / Open doors
- Space — Jump
- C — Crouch
- R — Reload
- 1-9 — Weapon select
History
Released by id Software on December 9, 1997, Quake II shifted from its predecessor's Lovecraftian horror to a sci-fi military campaign against the alien Strogg. The id Tech 2 engine introduced colored dynamic lighting and a hub-based level structure. Quake II's multiplayer became a cornerstone of early esports, with the Cyberathlete Professional League (CPL) featuring it as a main event from 1997 to 2004.
Gameplay Tips
- Use the Blaster wisely — Your starting Blaster has infinite ammo but low damage. Switch to better weapons as soon as you find them.
- Explore side paths — The hub-based levels reward exploration with armor, weapons, and secret areas.
- Save before boss fights — The demo includes challenging encounters. Quick-save with F5 frequently.
- Strafe and shoot — Strogg enemies lead their shots. Keep moving laterally while firing to avoid damage.
Did You Know?
- Quake II was originally going to be called "Wor" — id couldn't secure the trademark, so they reused the Quake name despite having a completely different setting and story.
- id Software released the Quake II source code under GPL in 2001, leading to dozens of enhanced source ports including Yamagi Quake II used here.
- The Strogg are a cybernetic alien race that assimilate other species — they were the primary antagonists through Quake 4 (2005).