Cosmic Cavern 3671　　宇宙最大の地底最大の作戦

Cosmic Cavern 3671　　宇宙最大の地底最大の作戦

8 achievements
Ultra Rare×5
Very Rare×3

About Cosmic Cavern 3671　　宇宙最大の地底最大の作戦's achievements

Cosmic Cavern 3671　　宇宙最大の地底最大の作戦 has 8 Steam achievements, 5 of them ultra-rare — unlocked by under 5% of players. The rarest is "Honor the inventor", earned by just 2.8% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement
2.8%
of players earned "Honor the inventor"

Community Ratings

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Difficulty—
Easy → Brutal
Enjoyment—
Meh → Loved it
Grindiness—
No grind → Huge grind
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All Cosmic Cavern 3671　　宇宙最大の地底最大の作戦 achievements

8 achievements
Honor the inventor
Honor the inventor
Score 1,000 points in MZ-80 Mode.
Ultra Rare2.8%
Galactic Gem Master
Galactic Gem Master
Score 1,500 points with the Gem.
Ultra Rare3.2%
Defender of the Cosmos
Defender of the Cosmos
Score 5,000 points.
Ultra Rare3.2%
Surround paint in 80's arcade mode.
Surround paint in 80's arcade mode.
Get surround paint bonus point.
Ultra Rare3.5%
"Nothing's impossible on the MZ-700!"
"Nothing's impossible on the MZ-700!"
Score 7,00 points in MZ-700 Mode.
Ultra Rare3.6%
Critter Combo
Critter Combo
Defeat 4 enemies in a row in Arcade Mode.
Very Rare5.9%
Brain Bait
Brain Bait
Startup the game and...
Very Rare6.1%
Monster Madness!
Monster Madness!
Reached CAUTION Mode.
Very Rare10.2%