ARROW KEYS and WASD for left and right, SPACE for jump. All levels are possible, and for the last cloud one, you may want to try jumping THROUGH the poison cloud if you can't walk under it. After jumping into it, try to walk again.
The next platformer in this series is Poisoned: Village. Planned Platformers and their Chance of Coming Out: Names: Chance of Coming Out: Poisoned: Jungle. 100% Poisoned: Village. 80% Peace: City. 75% Peace: Meadow. 60% Lava: Volcano. 40% Lava: Hotel. 20% Under the Bay: Temple. 5% Under the Bay: Bridge. 5% This will be in one of the games, and it could be anywhere in this series. The End 100%