
Outer Wilds
Following your curiosity between interconnected discoveries
Outer Wilds is a solar-system mystery built around exploration and a repeating time loop. What you learn, rather than a growing pile of equipment, opens up your next step.

Islands of Insight is a peaceful first-person puzzle adventure set across floating islands.
Checked on Steam October 31, 2026Check on Steam
This suits players who enjoy visual logic, patient observation, and roaming a large open world at their own pace. The main trade-off is that its size and lack of one clear objective can feel diffuse if you want a tight story. Skip it if you need controller support, Steam Deck play, or a single plotted path.
Islands of Insight is a peaceful first-person puzzle adventure set across floating islands. The Store describes more than 10,000 puzzles in 24 types, ranging from perspective and logic problems to environmental challenges, so the repeated activity is not just finding a single kind of hidden object. You can roam the main island, move through five distinct biomes and glide across its vertical spaces while deciding which visible puzzle to investigate next.
The world lets you choose your own route, while 20-plus Enclaves provide curated groups of challenges that unlock puzzle types and new areas in the campaign. That creates a useful choice when the open world feels too broad: follow an Enclave for a guided sequence, or wander and solve what catches your eye. Puzzle mastery levels and sparks unlock abilities, and daily quests bring back refreshed puzzles, so both exploration and a regular short visit have a place in the loop.
Pick it if you like visual logic, patient observation and the freedom to leave a puzzle that is not clicking yet. It can work for both newcomers and experienced puzzle fans because difficulty varies, but a huge open world is less suitable if you need a tightly plotted story or one obvious next objective. Steam lists this as a single-player game that requires broadband internet and 35 GB of storage, practical details worth checking if your connection or disk space is limited.
Treat an Enclave as a way to learn a puzzle family, then use the open world to practice that idea in a less guided setting. If a puzzle stalls, change your viewpoint or walk around it before repeatedly testing the same answer; perspective and surroundings are part of many challenges. Follow the puzzles that make you curious, leave the ones that stop being enjoyable, and return after a different challenge has refreshed your attention.
Wait or skip if you want one sitting that ends with a conclusion. The map has no single next objective, so each session is what you make of it, and the puzzles come back refreshed through daily quests. If you like returning to the same set of puzzles over weeks, that structure will suit you. If you would rather finish a session with a clear result, the open map will feel loose.
The game has no controller support, and Steam lists it as unsupported on Steam Deck, so keyboard and mouse is the practical way to play. It is single-player only and has no add-on content to weigh. Steam's requirements still list a broadband connection and 35 GB of free storage, with an SSD recommended, but the developer's news says the game has been offline-only since late 2024, so a connection is not needed to play. Korean and Japanese cover both interface and subtitles, which means the puzzle hints and story text are readable in either language.
The Witness is the related game with a guide that makes a useful comparison. Both are first-person puzzle worlds where the environment teaches the rules, but The Witness keeps its puzzles on one island with a tighter structure, while Islands of Insight spreads them across floating islands and asks you to choose the route. Pick The Witness for a compact puzzle island. Pick Islands of Insight if you want a bigger world you roam at will.
Treat an Enclave as a way to learn a puzzle family, then use the open world to practice that idea in a less guided setting. If a puzzle stalls, change your viewpoint or walk around it before repeatedly testing the same answer; perspective and surroundings are part of many challenges. Follow the puzzles that make you curious, leave the ones that stop being enjoyable, and return after a different challenge has refreshed your attention.
Pick it if you like visual logic, patient observation and the freedom to leave a puzzle that is not clicking yet. It can work for both newcomers and experienced puzzle fans because difficulty varies, but a huge open world is less suitable if you need a tightly plotted story or one obvious next objective. Steam lists this as a single-player game that requires broadband internet and 35 GB of storage, practical details worth checking if your connection or disk space is limited.
Choose it if you want puzzles built on precise rules and a scripted story, in a more compact structure than the open islands.
Choose it if the appeal is a mystery you solve by exploring a connected space, with a tighter, story-driven pace.
Steam rates Islands of Insight Unsupported on Steam Deck, so don't count on it running there.
Steam does not list controller support for Islands of Insight, so plan on a mouse and keyboard.
No. Steam lists Islands of Insight as single-player only.
Yes. Kosgames has a 100% map and puzzle guide, but you can also skip a stuck puzzle and return to it later without losing progress.

Following your curiosity between interconnected discoveries
Outer Wilds is a solar-system mystery built around exploration and a repeating time loop. What you learn, rather than a growing pile of equipment, opens up your next step.

It is a strong match for patient players who enjoy visual logic and the satisfaction of solving a rule without being told the answer.
The Witness begins with you alone on an unfamiliar island and asks you to find your way through it by solving line-drawing puzzles. It is a single-player open-world game with more than 500 puzzles, spread across locations that introduce and develop their own ideas. Progress is not mainly about collecting stronger equipment or defeating enemies; the island itself becomes a notebook, and reaching a new area can reveal how an earlier puzzle was teaching you to look.

Solving a room by understanding space and movement
Portal 2 asks you to solve spatial puzzles by connecting surfaces with portals. Its single-player story pairs the testing chambers with character-driven humor; a separate cooperative campaign uses two players.