Alien Crab in the Extamaze Guide: How to Play
A puzzle and role playing game by Jérémy Bouin: Climb a mysterious space tower using spells, level-up perks and controllable minions.
Quick answer: Alien Crab in the Extamaze Guide: How to Play. A puzzle and role playing game by Jérémy Bouin: Climb a mysterious space tower using spells, level-up perks and controllable minions. This guide covers Alien Crab in the Extamaze on GameTio. Last verified Oct 8, 2026. Source-checked; not playtested by GameTio.
Source-checked · Not playtested. View sources
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How to play
Open the GameTio Alien Crab in the Extamaze game page, select Play, then choose Run game on the developer’s itch.io page. The official page lists this as an HTML5 browser game.
What is the objective?
The official objective is to reach the top of a mysterious space tower. The developer recommends playing the tutorial to learn the mechanics and lists the game as a prototype.
What are the keyboard controls?
Use arrow keys to move, X or C to cast a spell, S or D to choose a level-up perk, and Space to take control of a minion. Z/Y undo and redo; hold for fast undo. P or Escape pauses, and F toggles fullscreen.
How do mouse controls work?
Click a reachable tile to move. Click a monster to face it, then click again to attack with the basic spell. The right panel handles spells, level-up perks, minion control, undo/redo and pause.
What progression issue is reported?
The developer reports a bug allowing level-ups without enough XP and warns that using it breaks the intended progression.
GameTio has not played the game, and these details come from the official page.
Frequently asked questions
Is this Alien Crab in the Extamaze guide playtested?
No. This guide is source-checked from official and community sources, not playtested by GameTio.
Sources & verification Checked Oct 8, 2026
- Alien Crab in the Extamaze by Jérémy Bouin Official source
Game page checked October 8, 2026 UTC. GameTio has not played this game.