Halcyon

Halcyon

20 achievements
Ultra Rareร—13
Very Rareร—3
Rareร—3
Uncommonร—1

About Halcyon's achievements

Halcyon has 20 Steam achievements, 13 of them ultra-rare โ€” unlocked by under 5% of players. The rarest is "Hardcore.", earned by just 2.4% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement
2.4%
of players earned "Hardcore."

Community Ratings

No ratings yet
Difficultyโ€”
Easy โ†’ Brutal
Enjoymentโ€”
Meh โ†’ Loved it
Grindinessโ€”
No grind โ†’ Huge grind
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All Halcyon achievements

20 achievements
Hardcore.
Hardcore.
Completed the game on Hard Difficulty.
Ultra Rare2.4%
Masochist.
Masochist.
Completed the game on Nightmare Difficulty.
Ultra Rare2.4%
Inhuman Halcyon
Inhuman Halcyon
Completed the game on Ultra Nightmare Difficulty.
Ultra Rare2.4%
Who Needs Em'?
Who Needs Em'?
Completed the game without touching a checkpoint.
Ultra Rare2.4%
While Supplies Last!
While Supplies Last!
Completed the game without resupplying.
Ultra Rare2.4%
Pacifist
Pacifist
Complete the game without using any attacks.
Ultra Rare2.4%
FRAGILE!
FRAGILE!
Complete the game without getting hit.
Ultra Rare2.4%
You're a Madman!
You're a Madman!
Get 10,000 total kills.
Ultra Rare2.4%
You're a Monster!
You're a Monster!
Get 100,000 total kills.
Ultra Rare2.4%
By the Skin of Your Teeth
???
Hidden achievement โ€” tap Reveal secrets to spoil
Ultra Rare2.4%
Explorer
Explorer
Find every resupply crate in one run.
Ultra Rare3.6%
Earth Federation Librarian
Earth Federation Librarian
Collected all the entry logs in one run.
Ultra Rare4.8%
I Am Speed!
I Am Speed!
Complete the game in under 10 minutes
Ultra Rare4.8%
I Eat Monsters For Breakfast!
I Eat Monsters For Breakfast!
Get 1,000 total kills.
Very Rare6.0%
Fastest Wo(Man) in Mothership
Fastest Wo(Man) in Mothership
Complete the game in under 15 minutes.
Very Rare6.0%
Time Trial
Time Trial
Complete the game in under 30 minutes.
Very Rare9.7%
Open Season
???
Hidden achievement โ€” tap Reveal secrets to spoil
Rare15.8%
For The Federation!
For The Federation!
Completed the game for the first time.
Rare15.8%
Two Birds, One Stone
???
Hidden achievement โ€” tap Reveal secrets to spoil
Rare24.3%
NOPE!
???
Hidden achievement โ€” tap Reveal secrets to spoil
Uncommon37.8%