topatoi

collect all stars on any single level of the great tree

collect all stars on any three levels of the great tree

collect all stars on all levels of the great tree

collect all cubes on any two bonus levels

collect all cubes on any five bonus levels

collect all cubes on all bonus levels

have no less than 1000 fuel points at the end of any level

collect all berries in the "at the gates of the unknown" level

collect all stars on any three levels of the sky pillar

collect all stars on all levels of the sky pillar

collect all cubes on any five cooperative levels

collect all cubes on all cooperative levels

pass the "world of steel and machines" level without falling

pass the "abandoned factory" level without falling

pass the "old mine" level without falling

pass the "steamcity" level without collecting any contaminated fuel clots

pass the "rescue attempt" level without collecting any contaminated fuel clots

pass the "gears, gears…" level without collecting any contaminated fuel clots

collect all contaminated fuel clots on "black wings in the dark" level