Happy Z-Day

Happy Z-Day

16 achievements

Ultra Rare×1

Very Rare×4

Rare×4

Uncommon×4

Common×3

About Happy Z-Day's achievements

Happy Z-Day has 16 Steam achievements, 1 of them ultra-rare — unlocked by under 5% of players. The rarest is "Survivor III - Roof Top", earned by just 2.9% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement

2.9%

of players earned "Survivor III - Roof Top"

🗺️ 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 Happy Z-Day achievements

16 achievements

Survivor III - Roof Top

Survive 17 nights in the "Roof Top" map.

Ultra Rare2.9%

Survivor III - Barn

Survive 17 nights in the "Barn" map.

Very Rare10.1%

Survivor II - Roof Top

Survive 12 nights in the "Roof Top" map.

Very Rare11.6%

Survivor III - House

Survive 17 nights in the "House" map.

Very Rare13.5%

Survivor I - Roof Top

Survive 7 nights in the "Roof Top" map.

Very Rare13.5%

Survivor II - Barn

Survive 12 nights in the "Barn" map.

Rare19.9%

Survivor I - Barn

Survive 7 nights in the "Barn" map.

Rare23.7%

Survivor II - House

Survive 12 nights in the "House" map.

Rare24.7%

Slaughter III

Kill 500 enemies in the game.

Rare30.0%

Stronghold II

Build 25 buildings in the game.

Uncommon31.5%

Survivor I - House

Survive 7 nights in the "House" map.

Uncommon33.0%

Slaughter II

Kill 250 enemies in the game.

Uncommon42.2%

Stronghold I

Build 10 buildings in the game.

Uncommon44.1%

Slaughter I

Kill 50 enemies in the game.

Common60.1%

A Good Start

Build any of buildings in the game.

Common84.9%

First Blood

Kill 1 enemies in the game.

Common87.8%