Sixty seconds
sixty_seconds85.7%

Achievements and their recorded unlock rates.
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sixty_secondsskeleton_coffinkill_friendchild_triggerfall_hubspectacularjackpotkaren_screamercello_deathkill_gargoylearsenal_openmagma_deathufo_topsix_playerstop_shipten_levelsgambling_addictmillionairebreak_objectsheight_deathfifty_levels