How many achievements does Windowkill have?

Windowkill has 37 Steam achievements.

What is the rarest achievement in Windowkill?

The rarest Windowkill achievement is “a hidden achievement”, unlocked by 1.7% of players on Steam.

Windowkill/Achievements

Windowkill achievements by rarity

Global completion percentages from Steam, rarest first

Achievements

Rarest

1.7%

Ultra rare (<5%)

Avg. completion

17%

friendhidden

Hidden achievement — description revealed on unlock.

1.7%

background: infinity

kill ??? as every character

2.1%

crown

unlock everything

2.4%

custom cursor: rainbow

survive for 4 minutes without collecting a coin

3.2%

window theme: shard

survive for 8 minutes in challenge mode

3.5%

mebo skin: constellation

kill miasma as mebo without getting hit by its splatter attack

3.8%

:) skin: XD

keep a smiley alive for 10 minutes

3.9%

background: vortex

collect 200 coins in a run as mebo without using any movement input

4.7%

character: bliphidden

Hidden achievement — description revealed on unlock.

5.2%

window theme: vaporwave

reach the end of timed mode as :)

5.3%

window theme: windows 3.1

get lv. 4 detach

5.7%

window theme: Windows XP

manifest 50 items

7.4%

window theme: macos 10

kill 2 bosses at once during halt

7.5%

music track: windowshatter

recover a mebo 100 times

7.7%

window theme: cute

survive for 2 minutes without shooting the window as bastion

8.5%

game mode: challenge run

unlock every character

8.7%

custom cursor: flame sword

kill an orb array as zephyr

8.9%

music track: windowbreak

get a x4 multiplier

11%

custom cursor: infected

kill an infected orb array

11%

nyx skin: hector

get lv. 4 halt

12%

character: mebo

kill miasma as nyx

13%

character: :)

kill ???

14%

background: stars

hold 8 stars at once

17%

background: soup

obliterate a star

18%

window theme: Windows 98

kill 98 bosses

19%

backing texture: serenity

die to slime trail

22%

window theme: mac classic

block 200 bullets

22%

music track: windowchill

reach the end of timed mode

23%

background: ripple

collect a 1000+ value coin

28%

character: nyx

get lv. 8 multishot

29%

window theme: macos 11

kill wyrm without causing a split

30%

background: grid

get 40,000 coins in one run

34%

character: bastion

kill 10 spikers

35%

character: zephyr

have 50 health

38%

background: transparent

kill every boss

39%

game mode: timed run

survive for 20 minutes

52%

background: cells

buy 100 shop items

54%

Percentages are Steam's global unlock rates across all players who own Windowkill, refreshed daily. See live player counts and stats for Windowkill.

Windowkill/Achievements

Windowkill achievements by rarity

Global completion percentages from Steam, rarest first

Achievements

Rarest

1.7%

Ultra rare (<5%)

Avg. completion

17%

friendhidden

Hidden achievement — description revealed on unlock.

1.7%

background: infinity

kill ??? as every character

2.1%

crown

unlock everything

2.4%

custom cursor: rainbow

survive for 4 minutes without collecting a coin

3.2%

window theme: shard

survive for 8 minutes in challenge mode

3.5%

mebo skin: constellation

kill miasma as mebo without getting hit by its splatter attack

3.8%

:) skin: XD

keep a smiley alive for 10 minutes

3.9%

background: vortex

collect 200 coins in a run as mebo without using any movement input

4.7%

character: bliphidden

Hidden achievement — description revealed on unlock.

5.2%

window theme: vaporwave

reach the end of timed mode as :)

5.3%

window theme: windows 3.1

get lv. 4 detach

5.7%

window theme: Windows XP

manifest 50 items

7.4%

window theme: macos 10

kill 2 bosses at once during halt

7.5%

music track: windowshatter

recover a mebo 100 times

7.7%

window theme: cute

survive for 2 minutes without shooting the window as bastion

8.5%

game mode: challenge run

unlock every character

8.7%

custom cursor: flame sword

kill an orb array as zephyr

8.9%

music track: windowbreak

get a x4 multiplier

11%

custom cursor: infected

kill an infected orb array

11%

nyx skin: hector

get lv. 4 halt

12%

character: mebo

kill miasma as nyx

13%

character: :)

kill ???

14%

background: stars

hold 8 stars at once

17%

background: soup

obliterate a star

18%

window theme: Windows 98

kill 98 bosses

19%

backing texture: serenity

die to slime trail

22%

window theme: mac classic

block 200 bullets

22%

music track: windowchill

reach the end of timed mode

23%

background: ripple

collect a 1000+ value coin

28%

character: nyx

get lv. 8 multishot

29%

window theme: macos 11

kill wyrm without causing a split

30%

background: grid

get 40,000 coins in one run

34%

character: bastion

kill 10 spikers

35%

character: zephyr

have 50 health

38%

background: transparent

kill every boss

39%

game mode: timed run

survive for 20 minutes

52%

background: cells

buy 100 shop items

54%

Percentages are Steam's global unlock rates across all players who own Windowkill, refreshed daily. See live player counts and stats for Windowkill.