Halver achievements

Pass level 39 “Pool”

Pass level 34 “Volcano”

Don't use bullets on level 45 “Milky way”

Pass level 21 “Snowboard” by moving left only (not moving right or jumping)

Halve or destroy moving blocks with shots 100 times in a campaign level

Use 2 shots or less on level 17 “Stairs”

Pass level 8 “Reuse” without firing a shot or collecting a single bright light

Use 2 shots or less on level 42 “Gutter”

Pass 10 levels in a row in random level generator mode without deaths and restarts

Turn a slowing block into a rolling enemy in a campaign level

Pass level 32 “Snatch” faster than 4 seconds without shots

Pass level 10 “Sledges” faster than 2 seconds