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Ketchup and Mayonnaise
Frenetic, chaotic battles! A dynamic duo, who are the best of friends, come out swinging in this pretty absurd RPG!
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-28.
“I didnt play much but im really looking forward for this game. Its looks like a small and fun game which im a big fan off. Im also a really big fan of the artstyle. I hope it will be translated into English soon so I can actually better understand whats going on xD”
— a player, Steam review · 0 hrs played“Really fun Mario and Luigi RPG clone! Unfortunately, its not in English nor is there a patch but still fun to play and learn.”
— a player, Steam review · 69 hrs played“Nihongo learners: No furigana anywhere Not voiced Kanji is difficult to read due to being squished to Famicom (1983) levels No English version ("without a net") though one is expected around 2026. I'm using this as a learning aide but also it's a pretty fun game. It has a charm…”
— a player, Steam review · 3 hrs playedLatest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Notice of End of Distribution Date
Hello, this is Waku Waku Games. We recently announced that production of this game has ended. After reading the comments from everyone, we were reminded of how much you had been looking forward to 'Ke
【重要なお知らせ】制作終了について
こんにちは。 わくわくゲームズです。 『ケチャップandマヨネーズ』をプレイいただき誠にありがとうございます。 本作につきまして、残念なお知らせをお届けしなければならない事となりました。 最初に弊社から、続いてタタラバニさんからのコメントをお伝えいたします。 長文になってしまい恐縮ではございますが、ご一読いただけますと幸いです。 わくわくゲームズより： タタラバニさん制作の『ケチャップandマヨネ
Update Information【 Ver 0.1.02】
Hi, everybody! This is Waku Waku Games. We have released a mini-update: The main items updated as as follows: / Update Information has been added to the title screen. This can be viewed with cleared s
Update Information【 Ver 0.1.01 】
Hi, everybody! This is Waku Waku Games. We have released a mini-update: The main items updated as as follows: 1. Shop UI changes 2. Changed some tutorial messages for "Panda fighter" This fix makes it
The early access version of Ketchup and Mayonnaise has been released.
Hi, everybody! This is Waku Waku Games. Ketchup and Mayonnaise (or Ketchup Mayo for short), the RPG featuring two best friends in a spectacular and slightly weird adventure, has been officially releas
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-28.
| Genres | Action, Adventure, RPG, Early Access |
| Player tags | Early Access · RPG · JRPG · Action RPG · Action-Adventure · Party-Based RPG · 2D Platformer · CRPG · Exploration · Spectacle fighter · 2D · Cute (SteamSpy community voting) |
| Features | Single-player · Family Sharing |
| Languages | Japanese |
| Official site | https://www.ketchupandmayonnaise.com/ |
Minimum system requirements (PC)
Minimum: OS: Windows 10 or Higher