Is there an Only Up 2

Yes, there is an Only Up 2. It was released on December 17, 2023.

Only Up 2 is offered on platforms like Steam. It is an action adventure game with the following features:

Biggest Map Yet: It provides players with a larger game map than its predecessor, offering more space and challenges.
Speedrunning Features: It has speedrunning elements, allowing players to challenge themselves to complete the game as quickly as possible and compete for better rankings.

New Multiplayer System: It introduces a new multiplayer system, enabling players to play with friends and experience the fun of cooperation or competition.

However, it should be noted that this Only Up 2 has no relation with the developer of the original Only Up.