Help the minions of the underworld across bubbling pools of lava with rickety bridges and non-regulated constructions. Will you go for the easiest route, or test your skills and aim for the coveted skulls? Return to completed challenges to perfect your builds!

Help the minions of the underworld across bubbling pools of lava with rickety bridges and non-regulated constructions. Will you go for the easiest route, or test your skills and aim for the coveted skulls? Return to completed challenges to perfect your builds!