Parasite Days: Survival Sim

Name: Parasite Days: Survival Sim
Rating: 4.8255033 (16726 reviews)
Author: 合同会社ズィーマ

By: 合同会社ズィーマ Game

Survive a parasite by managing supplies. Food combos & choice-driven endings.

Overview

Google Play Store

Downloads

681,334 ▲ 473

Data as of 2026-07-27

Rating:

4.83 +12

(16,726)

Version:

1.8.0

Last updated: 2026-06-12

Ranking

#83,445 ▼ 170

Overall

Features & Capabilities

Parasite Days is an innovative adventure game that plunges you into a unique survival experience with a strange yet cute parasite growing from your arm. As your vitality is drained, your immune response becomes key to survival. Choose health-boosting supplies and discover food combinations that trigger special reactions to help you endure the parasite's effects. The game features simple controls, making it accessible without complicated mechanics. Decision-making shapes multiple endings, offering diverse outcomes based on your actions. Best of all, Parasite Days is completely free to play, providing a rich narrative experience without any cost. Although it shares a common worldview with other titles, it stands alone story-wise, making it a fresh start for new players.

User Growth & Download Statistics

Game Games Entertainment

By:

合同会社ズィーマ

Downloads:

681,334 473

Rating:

4.83

(16,726) 12 new ratings

Version:

1.8.0 Last updated: 2026-06-12

Version code:

Creation date:

2020-08-29

Publisher country:

Permissions:

com.google.android.gms.permission.AD_ID Moderate risk
android.permission.ACCESS_ADSERVICES_AD_ID Low risk
android.permission.ACCESS_ADSERVICES_ATTRIBUTION Low risk
android.permission.ACCESS_ADSERVICES_TOPICS Low risk
android.permission.FOREGROUND_SERVICE Low risk
android.permission.INTERNET Low risk
android.permission.WAKE_LOCK Low risk
com.android.vending.BILLING Low risk
android.permission.ACCESS_NETWORK_STATE Safe
android.permission.VIBRATE Safe

Size:

65.14MB

Email:

de*****@mail.zxm.jp

URLs:

Website ,Privacy policy

Full description:

Source:

Google Play Store

Data ingested on:

2026-07-27

Compare stats and ranking:

Ranking

# 83,445 ▼ 170

For Developers

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Contact the developer

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Developed by:

合同会社ズィーマ

Google Play Store

https://play.google.com/store/apps/details?id=com.zxima.parasite

Email:

de*****@mail.zxm.jp

Website:

https://zxima.com

User Reviews

Parasite Days is widely praised for its charming story, unique gameplay, adorable art, and multiple endings that offer great replay value. Players enjoy the mini-games and humor around ad placements. However, some users find the gameplay somewhat repetitive and grind-heavy. Confusion arises due to unclear explanations of game stats and mechanics, and some experience technical issues with mini-games and sound controls. Overall, the game is highly recommended, especially with ad removal, for those who appreciate story-driven progression and quirky design.

Pros

Charming and unique story with multiple endings that keep players engaged.
Cute, quirky art style and well-designed characters creating strong immersion.
Fun and creative mini-games that complement the gameplay loop.
Fair and unobtrusive ad implementation with self-aware and humorous ad notifications.
High replayability due to multiple endings and different story routes.

Cons

Some aspects of gameplay can be grindy and repetitive leading to monotony for some players.
Lack of clear tutorials or explanations for stats and mechanics causing confusion, particularly about stat meanings like IR and combos.
Technical issues such as mini-game glitches, especially in the robot game segment.
Occasional sound control bugs where volume resets unexpectedly.
Ad removal purchase encouraged to improve experience, as ads can become frustrating when completing all endings.