Four climbers share Foddy's mountain, with Terraria's monsters loose on it.
Getting Over It is the game: you climb Bennett Foddy's mountain with a hammer and a pot, exactly as normal.
Terraria is genuinely in there. Slimes, zombies and demon eyes are decoded from your own Terraria install at runtime and roam the mountain, shoving your pot off its ledges. King Slime wakes once the lead climber is high up and guards the rest of the climb, and Life Crystals rest on ledges as relief. Not one Terraria file is bundled - every sprite comes from the copy already on your disk.
Up to 4 climbers share the mountain. Each of you climbs your own pot and sees the others, drawn with Getting Over It's own character art. The host listens on every address and Melty carries friends straight to it.
BepInEx 5 is bundled and installed for you, so Play is one click.
Getting Over It with Bennett Foddy (Bennett Foddy); Terraria (Re-Logic); BepInEx (BepInEx team, LGPL-2.1); LZX/XNB decompressor from MonoGame (MS-PL/LGPL-2.1).