Lumiri GameDB
Game library / 28天半衰期
28天半衰期
Discover with Lumiri
Steam

28天半衰期

Six interdimensional exchange students. One ammonia spill. Four weeks to find a girlfriend — or marry the childhood friend who can throw a cow. A survivalist biology student's final semester just got a whole lot more complicated.

Released · 2026-08-01

At a glance

About this game

Core game information and the store records it came from.

Title
28天半衰期
Content
Game
Release date
2026-08-01
Platforms
Windows
Connected stores
1
Steam Steam source details
Store title
28天半衰期
Product ID
4733330
Developer
Singularity Studio
Publisher
Singularity Studio
Store platforms
Windows
Source checked
2026-10-23 21:47 UTC

Open official store page ↗

How you can play

Features and tags

Select a feature to find other games that have it.

Store tags

Genres

  • RPG

Categories and genres from the Steam store, observed 2026-10-23. Store tags from Steam, as players and the store apply them.

Compare & explore

One game, connected stores

Each store keeps its own prices and observations. We prefer the latest recorded EUR price for Europa. When the displayed currency differs from the store amount, a separate approximate value may use the latest available ECB reference rate.

Some store links may be affiliate links. We may earn a commission from qualifying purchases, at no extra cost to you. This does not affect prices, ratings or rankings. How commercial links work.

Lumiri price context

Recorded price comparison

Matching store titles. One currency. One market.

EUR SE

Lowest recorded amount

5.19 EUR

Steam

Recorded 18 days ago Over 48 h old

Difference between stores

—

One comparable store. A difference needs another matching store price.

Distance from observed low

At observed low

Steam listing only. Low: 5.19 EUR.

Last seen
Newest included record

1 record is over 48 hours old.

1 included price record from 1 store · 1 linked listing

See the 1 included observation
  • Steam history →28天半衰期
    5.19 EUR
    18 days ago · over 48 h old
How this comparison works

Only original EUR amounts recorded for SE and matching titles linked to this game are compared. Edition words and numbers must match. Other editions, source-market fallbacks and currency estimates are excluded.

These are recorded observations. Check the store for the current price, availability and included content. Historical lows belong to the named listing in this market and reflect the history Lumiri GameDB has collected.

Player activity

Observed Steam player history

Latest 1,000 points at most. Bucket averages; the first bucket is included in full. Summary averages are approximate.

Last observed Steam players
0
2026-11-08 02:44 UTC
Observed peak · 30d
0
Within the displayed history
All-time observed peak
0
· since Lumiri started observing
Average players · 30d
0
4 local samples · approximate for grouped data
Observed player history Local bucket averages over time, in UTC. Exact values follow below. Lines connect collected points; gaps have not been measured. 0 1 2 3 4 2026-10-23 00:00 UTC · 0 players2026-10-30 00:00 UTC · 0 players2026-11-03 00:00 UTC · 0 players2026-11-08 00:00 UTC · 0 players 2026-10-23 00:00 UTC 2026-11-08 00:00 UTC
View exact player observations
  • 2026-10-23 00:00: 0 average players
  • 2026-10-30 00:00: 0 average players
  • 2026-11-03 00:00: 0 average players
  • 2026-11-08 00:00: 0 average players

Observed by Lumiri GameDB during 30d. Times are UTC. Lines connect observations; gaps are not measured.

Open full player history

  • Samples: 4
  • Minimum: 0
  • Maximum: 0
  • Average: 0
Recorded prices

Price history · Steam

EUR observations for market SE. History belongs to the selected store listing; regional prices and taxes may differ.

Historical low observed by Lumiri GameDB: 5.19 EUR, last seen

View 1 recorded prices
  • 2026-10-23 21:47: 5.19 EUR

Prices observed by Lumiri GameDB in EUR.