Scenarios

plays 4862 / votes 4

Classic two-player tanks

plays 6549 / votes 4

Adventure on every axis.

plays 3742 / votes 1

Fun in red and blue.

plays 6639 / votes 0

Not really invisible, but semi-visible isn't as catchy.

plays 2903 / votes 0

Use your ninja moves.

plays 11208 / votes 2

Destroy 100 little asteroids without getting hit!