I couldn't play the game. Maybe it's a timezone issue. For multiplayer games make sure that the lobby is clear. Just staring at a intro screen doesn't communicate anything. Try adding a spinner with a message looking for players
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Got it working, it's an interesting game but would as expected play better in multiplayer. A change that I would make is the placements of the platforms of the dying character. Try to put it on the same grid as the rest of the platforms. Another change to look in to is to use the same colours for the new platforms as the player character. This would give visual feedback that that platform used to be a player