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Unholy Heights

Unholy Heights

Welcome to Unholy Heights, a mashup of Tower Defense and Apartment Management Simulation!

Released Oct 4, 2013 Developer Petit Depotto Publisher PLAYISM Platforms Windows BuildingColony SimStrategyCuteManagement
View on Steam ↗ $1.99 (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

89.0%positive1,587 reviews
Recommended · 2 found this helpful

“Unholy Heights is a surprisingly charming mashup of apartment management sim and tower defense that had me far more emotionally invested than I expected — I actually felt guilty evicting a monster orphan who couldn't make rent after I let her parents die in a bad ambush. The…”

— a player, Steam review · 30 hrs played
Recommended · 2 found this helpful

“Pretty decent tower defense game but very simple and a little grindy. You may not actually finish it but if you got in a bundle you may as well enjoy it!”

— a player, Steam review · 8 hrs played
Recommended · 0 found this helpful

“[b]Pros[/b] + Collect rent from monsters + Skeletons pay on time + Succubi are surprisingly reliable tenants + Tower defense but with landlords [b]Cons[/b] - Humans keep attacking the building - Tenants complain about rent - Even Hell has property management problems…”

— a player, Steam review · 22 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 12:02 UTC · history via SteamCharts.

11playing at last check
1424-hour peak
706all-time peak
0 100 200 2014 2016 2018 2020 2022 2024 2026 115 avg · Oct 2013

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

20achievements
9.8%median completion
2.6%rarest: The Kindly Landlord
75.6% of players 57.2% of players 53.6% of players 43.3% of players 35.5% of players 31.0% of players 20.4% of players 17.6% of players 14.7% of players 11.8% of players 9.8% of players 9.5% of players 8.7% of players 8.1% of players 8.0% of players 4.1% of players 3.8% of players 3.1% of players 2.7% of players 2.6% of players 75.6% 0% most earned rarest
Almost everyone has
75.6%Monsters Can Love, Too — Even love can bloom on the battlefield
57.2%Circle Of Life — Witness the miracle of monster reproduction
53.6%Movin' On Up — Add a second floor to your building
Rarest badges of honor
2.6%The Kindly Landlord — Evict none throughout your campaign
2.7%No Monster Left Behind — Let none die under your watch
3.1%Cut to the chase — Hidden achievement

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$1.99−50% right nowcurrent · sampled 2026-07-26 08:39 UTC
$3.99base price
$1.99lowest since tracking began2026-07-23
US1.99 USD−50%
EU1.99 EUR−50%
UK1.39 GBP−50%
Australia2.97 AUD−50%
Canada2.24 CAD−50%
Japan199 JPY−50%
Brazil4.19 BRL−50%
China9.00 CNY−50%

Regional prices at last sample, in local currency — Steam sets each region's price independently.

Brazil≈$0.8 Japan China Canada UK US Australia EU≈$2.3

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

$0 $2.5 $5 07-11 07-14 07-17 07-20 07-23 07-26

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

May 01, 2020
Max 80% Off Steam Golden Week Sale Now On! Including titles going on Sale for the first time!

https://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/8438467/7a269c0439022c7fa31d9863141ba3c84df5733d.jpg Dear Fans, Golden Week is about to start in Japan and so Steam will once again b

Mar 17, 2020
Stay home and play some games! PLAYISM titles 80% off in Steam Weekly Sale!

Dear Fans, Steam recorded the largest ever number of concurrent users over the weekend. Over 20 million users! It is great to see everyone making the best of a bad situation. So, in the hopes that we

Oct 15, 2019
Playism Publisher Sale starts now!

Hello everyone, https://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/8438467/5063e9f11e0d7186674f4118450f0768365be75f.jpg To celebrate the release of Gensokyo Night Festival and the soun

Sep 12, 2019
TGS Sale up to 80% off! Please come visit our booth at TGS!

Hi all, The Tokyo Game Show (TGS) starts from September 12! To celebrate this, we team up with Steam to hold a TGS Sales! PLAYSIM titles are at sales up to 80% off! By creators of the awaited Fight Cr

Jul 30, 2019
Max 80% Off! Steam Weekly Sale Now On!

Dear Users, Get all your favourite PLAYISM titles with up to 80% off in our weekly Steam sale starting today! Below are a list of our top picks. With the weather heating up why don’t you let some of o

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresIndie, Simulation, Strategy
Player tagsBuilding · Colony Sim · Strategy · Cute · Management · City Builder · 2D · Simulation · Cartoony · Singleplayer · Casual · Immersive Sim (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Steam Trading Cards · Steam Leaderboards · Family Sharing
LanguagesEnglish, Japanese
Achievements20
Estimated owners100,000 – 200,000 (SteamSpy)
Official sitehttps://playism.com/game/unholy-heights/
Minimum system requirements (PC)

Minimum: OS *: Windows XP (SP3 or newer) / Vista (SP1 or newer) / 7 Processor: Pentium III 1.0GHz or faster Memory: 1 GB RAM Graphics: Shader Model 2.0 or better Storage: 50 MB available space