Two Ninjas - Two Universes is a free action game by RF35 Mobile Games available on Android. The game is set in two parallel universes where portals have accidentally opened, causing stones to fall into the other universe. The objective of the game is to save both universes by destroying the stones using the ninjas.

The game features two ninjas, one from the red universe and one from the blue universe. The red ninja can only destroy the red stones, while the blue ninja can only destroy the blue stones. Players must switch between the two ninjas and destroy the stones in the correct universe. The game also allows players to replace the ninjas with their parallel universe versions.

Overall, Two Ninjas - Two Universes is an enjoyable action game with a unique concept. The game offers challenging gameplay and decent graphics. However, it would be great to see more levels and challenges in the future updates.