@JayMarksmanDev

(I barely use X) • Janne Markkula / マルックラ・ヤンネ • Game Designer / ゲームプランナー • A Finn working in Tokyo / 東京勤務のフィンランド人 • https://xitter.cf/t.co/NtazicqOtr

 Tokyo, Japan 🇯🇵
linktr.ee/jaymarksman
Joined March 2010
  • Tweets6.4K
  • Following1K
  • Followers1.5K
1.1KMedia
PSA: Apparently someone called "Jay Marksman trading as GamesMM Studios" is/was selling some sort of asset flip AI versions of popular indie games on Playstation. This is *not* me. I don't know who they are, and I despise whatever they are trying to do. (1/3) #gamedev #indiedev
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Jay Marksman / ヤンネ retweeted
Jay Marksman / ヤンネ@JayMarksmanDevOct 14
Any recommendations for games to check out at Game Market Fall 2026 (going for the first time on Sunday)? ゲームマーケット2026秋、おすすめのブースがあれば教えていただきたいです（日曜日に初めて行ってきます）。 #ゲームマーケット2026秋 #ゲムマ2026秋
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Any recommendations for games to check out at Game Market Fall 2026 (going for the first time on Sunday)? ゲームマーケット2026秋、おすすめのブースがあれば教えていただきたいです（日曜日に初めて行ってきます）。 #ゲームマーケット2026秋 #ゲムマ2026秋
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Jay Marksman / ヤンネ retweeted
Jay Marksman / ヤンネ@JayMarksmanDevOct 4
🍂🍁 store.steampowered.com/app/3…

Escape from Mutation Station on Steam

A short, unconventional escape room experience. You are the candidate. You must find a way out of this room. Things are not as they seem.

store.steampowered.com
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🍂🍁 store.steampowered.com/app/3…

Escape from Mutation Station on Steam

A short, unconventional escape room experience. You are the candidate. You must find a way out of this room. Things are not as they seem.

store.steampowered.com
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Jay Marksman / ヤンネ retweeted
Jay Marksman / ヤンネ@JayMarksmanDevJun 26
Buy my game super cheap during the Steam Summer Sale, so I can buy...uh, not much, really, since it's so cheap. Anyway, I hear it's an ok game. #steamsummersale store.steampowered.com/app/3…

Escape from Mutation Station on Steam

A short, unconventional escape room experience. You are the candidate. You must find a way out of this room. Things are not as they seem.

store.steampowered.com
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日本語も対応してます！
Jay Marksman / ヤンネ@JayMarksmanDevJun 26
Buy my game super cheap during the Steam Summer Sale, so I can buy...uh, not much, really, since it's so cheap. Anyway, I hear it's an ok game. #steamsummersale store.steampowered.com/app/3…

Escape from Mutation Station on Steam

A short, unconventional escape room experience. You are the candidate. You must find a way out of this room. Things are not as they seem.

store.steampowered.com
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Buy my game super cheap during the Steam Summer Sale, so I can buy...uh, not much, really, since it's so cheap. Anyway, I hear it's an ok game. #steamsummersale store.steampowered.com/app/3…

Escape from Mutation Station on Steam

A short, unconventional escape room experience. You are the candidate. You must find a way out of this room. Things are not as they seem.

store.steampowered.com
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Also, the more I watch videos about indie games, the more I want to make indie games. それに、インディーゲームについての動画を観れば観るほど、インディーゲームを作りたくなります。
Jay Marksman / ヤンネ@JayMarksmanDevMay 28
The more I play indie games, the more I want to make indie games. インディーゲームを遊べば遊ぶほど、インディーゲームを作りたくなります。
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Just started, but it's really good so far, as expected! まだ始めたばかりだけど、期待どおり面白い！
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Just a thought (which I may want to make into a reality sometime way into the future): I wonder if there would be interest in a podcast/YouTube series featuring interviews/conversations with Japanese indie devs, subtitled in English? #gamedev #indiedev
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I know there are some out there, but not that many🤔
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The more I play indie games, the more I want to make indie games. インディーゲームを遊べば遊ぶほど、インディーゲームを作りたくなります。
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Finnish (non-dev, mostly non-gamer) friends were in Tokyo, so decided to prioritize hanging out with them this time. I'll attend one of these days (next month?), though! フィンランドの友達が東京に来ていて、今回は友達と遊ぶことにしたんだけど、また今度（来月？）リベンジします！
Jay Marksman / ヤンネ@JayMarksmanDevMay 15
Anyone going to Tokyo Indies next week? I'm thinking of going for the first time 👀 来週の東京インディーズに行かれる方いますか？ 初めて参加してみようかなと考えてます👀
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Jay Marksman / ヤンネ retweeted
Jay Marksman / ヤンネ@JayMarksmanDevMay 15
Anyone going to Tokyo Indies next week? I'm thinking of going for the first time 👀 来週の東京インディーズに行かれる方いますか？ 初めて参加してみようかなと考えてます👀
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Anyone going to Tokyo Indies next week? I'm thinking of going for the first time 👀 来週の東京インディーズに行かれる方いますか？ 初めて参加してみようかなと考えてます👀
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Roguelike/lite. I like single-player games that at some point, you know, end.
Best Indie Games
@clemmygamesJan 10
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(I know many roguelites have an ending. It's the path to reach that ending that I don't personally enjoy very much.)
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Literally the best PvP game I have ever played. Not going to pretend to understand why it didn't get the love it deserved. Just sad to see it end. Please, somebody take this core movement and combat system and make something with it. And good luck for the future, Theorycraft 🫡
Theorycraft Games@theorycraft_inc17 Dec 2025
SUPERVIVE Live Service is ending in February of next year. Hear the details from Jess, our Executive Producer.
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このライブに行けて本当に良かったと思いました！ 素晴らしい音楽だけでも十分満足だったのに、物語もそれとともに流れてた映像も綺麗で、最高でした。 しかも、まさかその物語の本も貰えるなんて… ✨ #くじミラ
帰りの会@kaeri_no_kai7 Dec 2025
【今年最後のライブ終了！】 2025.12.07 帰りの会 one-man live 『くじら座のミラのゆくえ』 at下北沢ADRIFT ありがとうございました🐋 🎧本日のセトリプレイリストを公開！ 🍎Apple Music music.apple.com/jp/playlist/… 🍀Spotify open.spotify.com/playlist/0r… また会いましょう👀 感想は #くじミラ で✍
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