Overview
Theta and Paralldox on Worldlines is a charming puzzle game developed and published by XXela, with Delta Theta also listed as a publisher. Players step into the shoes of Theta, a curious young girl exploring a sinking world. Her journey takes an extraordinary turn when she discovers a mysterious fork that grants her the ability to split into multiple copies of herself. This newfound power transforms her perception of the world and unlocks a series of intricate puzzles.
Highlights
- Unique Time Manipulation Mechanic: The core gameplay revolves around Theta's ability to split into multiple copies, a mechanic that is central to solving the game's increasingly complex puzzles.
- Engaging Narrative and World: Explore a sinking world and uncover hidden truths across six distinct chapters, each designed to reveal more about the game's surreal and abstract setting.
- Charming Aesthetics: Featuring cute and abstract visuals, the game offers a visually appealing experience that complements its logic-based challenges.
Who It's For
This game is perfect for players who enjoy logic puzzles, Sokoban-style challenges, and unique gameplay mechanics. Its cute aesthetic and surreal themes will also appeal to those looking for a more abstract and thought-provoking puzzle experience. The inclusion of multiplayer and Steam Achievements suggests it can be enjoyed both solo and with friends.
Game Info
Developed by XXela and published by XXela and Delta Theta, Theta and Paralldox on Worldlines was released on February 4, 2026. It supports English, Simplified Chinese, and Japanese languages. The game is categorized as a Puzzle title and features elements of Sokoban, Logic, and Time Manipulation. It has garnered a 'Very Positive' reception from Steam users.





