How many achievements does Stackflow have?

Stackflow has 21 Steam achievements.

What is the rarest achievement in Stackflow?

The rarest Stackflow achievement is “Yo Ho!”, unlocked by 14% of players on Steam.

Stackflow/Achievements

Stackflow achievements by rarity

Global completion percentages from Steam, rarest first

Achievements

Rarest

14%

Ultra rare (<5%)

Avg. completion

42%

Yo Ho!

Discover all Pirate blocks.

14%

Have You Ever Seen The Rain?

Stack blocks skyward until a single tower rises 18 high!

14%

Are You Building a Castle?!

Discover all Fortress blocks.

15%

Certified TNT Enjoyer

Discover all Explosive blocks.

16%

Beengo!

Discover all Colony blocks.

23%

Dr. Oppenblocker

Discover all Nuclear blocks.

23%

Becoming Addicted...

Discover all Casino blocks.

25%

Beginner's Luck (Or Skill?)

Complete your first full run.

26%

I'm Rich!

Discover all Minerals blocks.

26%

World of Blocraft

Discover all Arcane blocks.

27%

Lofi Enjoyer

Discover all Harmony blocks.

30%

Veteran

Survive to level 20.

30%

Gotta Catch'em All!

Discover all Monster blocks.

32%

The Moai

Finish a level without rotating any Piece.

49%

Combo Legend

Score a 500,000 point combo.

56%

Combo Maestro

Score a 100,000 point combo.

69%

Getting the Hang of It

Survive to level 10.

69%

Block Legend

Place 500 pieces.

75%

The X

Get 100+ Multiplier on a single combo.

85%

Professional Stacker

Place 100 pieces.

94%

Block Placer

Place 50 pieces.

97%

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