Really Big Sky achievements

20 achievements on Steam

Rarest first. Published rarity by platform.

Each platform measures its own player population.Why that matters

Each platform calculates rarity from its own player population. These percentages are shown side by side but are not a controlled comparison. Percentages are shown exactly as each platform publishes them — Pyroblast does not recalculate them or mix player populations together.

Played it? See which of these you've earned

BUDDIESSteam only
HAVE SKILLFUL BUDDIES
Steam3.7%
100K STARSSteam only
LOTS AND LOTS OF SMALL THINGS
Steam3.8%
BOOKYSteam only
GIVE A HOOT
Steam3.8%
HOME POTATOSteam only
BE LIKE HARRY STAMPER
Steam3.8%
HIGH SCORERSteam only
GET 10 LOTS OF HIGH SCORES
Steam4.1%
REALLY BIG SCORESteam only
NOT TOO IMPOSSIBLE
Steam4.4%
10000 KILLSSteam only
GET A LOT OF KILLS
Steam4.6%
MAX SHOPSteam only
BE RICH AND THEN NOT RICH
Steam4.7%
L BOOMERSteam only
USE THE BOOMER
Steam4.9%
BOSS X50Steam only
FIGHT BOSSES
Steam5.0%
MAX POWERUPSSteam only
DIGGING HELPS
Steam5.2%
KILLED BIGGUNSSteam only
KILL BIGGUNS
Steam5.2%
CONSERVASAURUSSteam only
DON'T KILL DEAD THINGS
Steam5.3%
BOSS KILLASteam only
REMOVE BOSSES
Steam6.3%
LEVEL 5Steam only
LAST A WHILE
Steam9.5%
MULTI X50Steam only
GET MULTIS
Steam11%
CLOSE ENCOUNTERSSteam only
CLOSE ENCOUNTER
Steam13%
500 KILLSSteam only
GET SOME KILLS
Steam16%
WAS RISKYSteam only
BE RISKY
Steam18%
MR BLOBBYSteam only
NUKE ITS BROTHER
Steam20%

Played Really Big Sky? See how many of these you've got.

Which ones you've earned — and which you're missing
Your rarest unlock, and where it ranks
Your whole history for this game, on one timeline
Steam, PlayStation, Xbox and Battle.net in one place

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How rarity is calculated

Each platform calculates rarity from its own player population. These percentages are shown side by side but are not a controlled comparison.

Steam — Valve's published global unlock percentage across Steam owners of the game.

Percentages are shown exactly as each platform publishes them. Pyroblast does not recalculate them and does not mix player populations together. Data updated August 11, 2026.