Chikuwabu! vs Contagious Mayhem
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
Chikuwabu!
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A retro omnidirectional scrolling 2D action game. Use items to solve the mystery of the map and find the exit. Let's collect "Chikuwabu" placed in various places. (Some items are difficult to pick up and some are hidden.) There are some stages that you can't play unless you collect a certain number of "Chikuwabu". There is no score, we measure the time to the exit. Operation is easy: ใTouch = beam firing ใRight and left lever drag = Rotation/movement of own machine ใRelease all fingers = Restore the shield For easy operation, You can change the orientation of your smartphone while playing. Enemy planes have a front/back side, It cannot be destroyed when its backside is shown. For maps that scroll in all directions, There are "Chikuwabu", items, and tricks, Please attack well. (All 90 stages, 20 stages are free)
Contagious Mayhem
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Get ready to dive into the microscopic world with "Contagious Mayhem"! This game provides a perfect blend of fun, learning, and excitement, that transforms you into a virtual germ fighter. In this fast-paced and thrilling game, your mission is to sanitize various surfaces and spaces, all teeming with a variety of microbes that you need to identify and disinfect. As you progress, you'll encounter tougher, more resilient germs, bacteria, viruses, and fungi, each with its unique strengths and weaknesses. Utilize a wide array of disinfectants, each equipped with unique capabilities to combat different types of microbes. The game encourages strategic thinking as players must decide the best approach to handle each wave of microbial invasion. But the game isn't just about mayhem! It's also an educational tool, giving players a better understanding of different types of microbes, their characteristics, and how they spread. Through engaging gameplay, players learn about hygiene and public health in a way that's fun and interactive. With high-quality graphics, a captivating storyline, and countless levels, Contagious Mayhem offers endless entertainment while promoting science education. Perfect for players of all ages looking for a game that's as challenging as it is enlightening. So gear up and join the fight against germs in Contagious Mayhem, where every clean surface is a victory! The game has been developed in the Peliselli project (The project is funded by the REACT-EU instrument's appropriations as part of the actions implemented by the European Union in response to the COVID-19 pandemic) and in the ARPO project funded by the Regional Council of Satakunta. The making of the game has also been funded by the Academy of Finland (decisions 337863 and 337861). In collaboration with: SAMK โ Wander Research Centre, SAMK, and the City of Rauma.
Screenshots
Verdict
The clearest difference is in-app purchases: Contagious Mayhem at none against Chikuwabu!'s 1. Contagious Mayhem also leads on update cadence (every 2 months vs every 41 months) and iOS requirement (12.0 vs 17.6). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Chikuwabu! sells 1 one-off in-app purchase. Contagious Mayhem asks for nothing beyond the download.
Chikuwabu! ships an update every 41 months, Contagious Mayhem every 2 months. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.
| Parameter | Chikuwabu! | Contagious Mayhem |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 41 months | Every 2 months โ better |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 17.6 | 12.0 โ better |
| Further details โ not scored | ||
| Size | 32 MB | 147 MB |
| Age rating | 4+ | 12+ |
| Developer | Hiroyuki Sasayama | Satakunnan Ammattikorkeakoulu Oy |
In-app purchases
Chikuwabu!
- All Stages$2.99
Contagious Mayhem
No in-app purchases
Questions
Is Chikuwabu! free?
Is Contagious Mayhem free?
Do Chikuwabu! or Contagious Mayhem have ads?
Which is updated more often, Chikuwabu! or Contagious Mayhem?
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