Here is the full list of all 19 Button Button Up! achievements.
Complete all Dark Sewers levels using any play mode in Co-op Game.
Complete all Warehouse No.3 levels using any play mode in Co-op Game.
Complete all Depth Factory levels using any play mode in Co-op Game.
Complete all Bunny’s Lab levels using any play mode in Co-op Game.
Complete all Doom Rooftops levels using any play mode in Co-op Game.
Score A in all Dark Sewers levels using any play mode in Co-op Game.
Pass all checkpoints in the Dark Sewers ultimate level using any play mode in Co-op Game.
Pass all checkpoints in the Warehouse No.3 ultimate level using any play mode in Co-op Game.
Pass all checkpoints in the Depth Factory ultimate level using any play mode in Co-op Game.
Pass all checkpoints in the Bunny’s Lab ultimate level using any play mode in Co-op Game.
Pass all checkpoints in the Doom Rooftops ultimate level using any play mode in Co-op Game.
Complete 30 levels in Solo Challenge mode.
Complete 60 levels in Solo Challenge mode.
Complete 90 levels in Solo Challenge mode.
Complete 120 levels in Solo Challenge mode.