PCGame

Lexicon Odyssey ~~A Japanese-Learning RPG~~

Japanese-learning RPG with automatic battles and customizable combat builds

KonaGames · Released Sep 25, 2026

AdventureCasualIndie

AI-generated content disclosed

Reviews
Very Positive
88% of 86
Recent reviews
Very Positive
86% of 74 in 30 days
Players
40
daily peak, Oct 28, 2026
Steam Deck
Playable
Last update on Steam
3 days ago
Oct 25, 2026
Minimum PC
HD 530
4 GB RAM · 2 GB disk
Full requirements

What is Lexicon Odyssey ~~A Japanese-Learning RPG~~?

This single-player RPG turns Japanese study into character progression across expeditions, with companions waiting at camp. You study kana, vocabulary, and grammar through explanations, recall exercises, error correction, and spaced review. The material ranges from hiragana and katakana to Japanese-Language Proficiency Test N1, and you can choose a starting level matching your knowledge.

For you if...

  • +you enjoy idle progression alongside language practice
  • +you value detailed explanations of grammar and word usage

Not for you if...

  • −you want hands-on combat rather than automatic battles
  • −you expect one game to replace other Japanese study resources

What players say

88% of 86 reviews are positive · 86% of 74 in the last 30 days

Players praise its usefulness as a Japanese study tool, while some criticize what they describe as AI-generated artwork.

Screenshots and trailer

Lexicon Odyssey ~~A Japanese-Learning RPG~~ screenshot 1

Lexicon Odyssey ~~A Japanese-Learning RPG~~ system requirements

Minimum: HD 530, 4 GB RAM, 2 GB of disk space.

As published by the developer.

Can my PC run Lexicon Odyssey ~~A Japanese-Learning RPG~~?

Tell us your graphics card once and every game page will answer this for you.

Set up my PC →

Minimum

OS
Windows 10 64-bit
Processor
Intel Core i3-6100 or equivalent
Graphics
Intel HD Graphics 530 or equivalent
Memory
4 GB RAM
Storage
2 GB available space
DirectX
Version 11

Recommended

OS
Windows 10 64-bit
Processor
Intel Core i5-8400 or equivalent
Graphics
Intel UHD Graphics 630 or better
Memory
8 GB RAM
Storage
2 GB available space
DirectX
Version 11

Does Lexicon Odyssey ~~A Japanese-Learning RPG~~ have co-op or multiplayer?

Yes: PvP online. It also has a single-player mode.

Does Lexicon Odyssey ~~A Japanese-Learning RPG~~ run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

  • Some in-game text is small and may be hard to read
  • All functionality is accessible with the default controller configuration
  • Shows Steam Deck controller icons
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Full controller support
Platforms
Windows, macOS
Achievements
70
Steam features
Cloud saves, Family Sharing
Languages
Text only: English, Japanese, Simplified Chinese, Traditional Chinese.

Does Lexicon Odyssey ~~A Japanese-Learning RPG~~ use AI-generated content?

Yes. The developers disclose AI-generated content on the game's Steam page:

Some of the game's art and audio assets were generated using AI, and the promotional images on the store page are based on AI-generated content.

The statement mentions: Store page & marketing

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam

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