TRIPLE-click the green flag.
Changelog: v12 (hello79858): Merged v11A & v11B, fixed monsters, cannon, damage dealing, fixed monster drops, fixed earthquakes, fixed background, added spikes to monster drop, added more to debug button, added transition to l2, fixed many more misc. issues; added backdrop for l2: 100000rockets is set to make the scrolling platformer engine for l2 in v14. v11A/B (100000rockets & Builderman1000): Added a tutorial sprite, and also halfway fixed the monster. The cannon rotation has been fixed, and a health bar has also been added. v10 (hello79858): Added SFX button, earthquakes, a debug button, more background art, cannon rotation (unfixed), & foreground earthquake fixing. v9 (Builderman1000): Added music + the music mute button. v8 (hello79858): Added a crystal animation and sound effects. v7 (Builderman1000): Added a broken monster spawn system, refined other things. v6 (100000rockets): Added a crystal collectible, significantly improved the physics. v5 (Builderman1000): Added a monster sprite. v4 (suoiuco): Added foreground art. v3 (v2 remix by Venenobutter): Removed variables from showing, other minor changes. v2 (ver2 by suoiuco): Added character art, made ground solid red, fixed a major physics issue, added cannon, hid variables. v1 (Untitled-2 by Venenobutter): The start of the collaboration, a simple, broken game with a violet ball bouncing on a red line with broken physics.