No. PEAK has no crossplay — you can only play with people on the same platform.

How many players is PEAK?

PEAK supports 1 to 4 players, and it can be played solo.

Does PEAK have split screen?

No. PEAK has no split screen — every player needs their own copy and their own machine.

No. One machine, one climber.

Players	1–4
Crossplay	No
Split screen	No
Platforms	PC (Windows, Steam)
Released	16 June 2025
Developer	Aggro Crab and Landfall Games (joint team; Steam lists the developer as "Team PEAK")
Price	$7.99

Is PEAK crossplay? — No. PEAK has no crossplay — you can only play with people on the same platform.
How many players is PEAK? — PEAK supports 1 to 4 players, and it can be played solo.