Images from google. Inspired by Diep.io. PREVIOUS VERSIONS V1.0 - Just the bare bones shooting. V1.2 - Added pentagon V1.4 - Added triangle V1.6 - Added squares V1.8 - Added levels V2.0 - Added new tanks (Level 10 req.) V2.3 - Added circles and pounder. V2.7 - Added sentry (must be level 3), Easier level-up, and tank health.