Spectrum

22 achievements

Ultra Rare×13

Very Rare×3

Rare×4

Uncommon×2

About Spectrum's achievements

Spectrum has 22 Steam achievements, 10 of them ultra-rare — unlocked by under 5% of players. The rarest is "18x18", earned by just 1.4% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement

1.4%

of players earned "18x18"

🗺️ Community guides & walkthroughs

Community Ratings

No ratings yet

Difficulty—

Easy → Brutal

Enjoyment—

Meh → Loved it

Grindiness—

No grind → Huge grind

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All Spectrum achievements

22 achievements

Royal Flush

All resolutions completed of the same game type

Ultra Rare0.0%

Virtuoso

All resolutions completed for both game types

Ultra Rare0.0%

Straight

All resolutions completed regardless of game type

Ultra Rare0.0%

18x18

Ultra Rare1.4%

19x19

Ultra Rare1.4%

20x20

Ultra Rare1.4%

15x15

Ultra Rare2.8%

16x16

Ultra Rare2.8%

17x17

Ultra Rare2.8%

11x11

Ultra Rare4.2%

12x12

Ultra Rare4.2%

13x13

Ultra Rare4.2%

14x14

Ultra Rare4.2%

10x10

Very Rare5.7%

9x9

Very Rare7.1%

8x8

Very Rare14.2%

7x7

Rare17.1%

6x6

Rare20.0%

5x5

Rare25.7%

4x4

Rare27.1%

3x3

Uncommon47.1%

???

Hidden achievement — tap Reveal secrets to spoil

Uncommon50.0%