VVVVVV
If you're looking for a bite-sized game that puts your skills to the test but doesn't punish you for failure, then you're in luck. VVVVVV is a hard-as-nails platformer with no lives system and generous checkpoints. In fact, it almost completely ignores how many times you screw up. Because of this, its platforming challenges feel like obstacles to overcome rather than frustrations to be dealt with, making VVVVVV a rewarding experience from start to finish. You play as Captain Viridian, the leader of a small space-faring crew, who must find and rescue five members of his team (whose names also start with "V") after their teleporter malfunctioned during a multi-dimensional emergency. The alternate dimension you find yourself in is full of ledges, walls, and platforms, but Viridian is completely incapable of jumping. Instead, he must completely invert gravity in order to maneuver, but even that has a catch. Gravity can only be flipped if Viridian is planted on the g