MO vs Railbound
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
MO
Embark on a side-scrolling adventure in a dark, abandoned laboratory. Solve intricate puzzles and engage in strategic combat using unique abilities to uncover the truth behind a sinister environmental disaster. Experience a visually stunning pixel art world with an emotionally resonant soundtrack.
- Side-scrolling action-puzzler
- 360-degree gameplay
- Surface-sticking abilities
- Mind-reading and monster control
- Exquisite pixel art
- Emotionally moving soundtrack
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A side-scrolling, action-puzzler with "Very Positive" reviews on Steam. Come adventure and explore on the soon to be released mobile version. ▶Uncover the truth hidden in the sinister shadows of this ghastly environment Awakening inside a dark, humid, and abandoned laboratory, MO discovers that it not only has to face an extremely hostile and sinister environment, but also humans who, having been taken over by alien parasitic plants, are now stuck in an endless limbo between death and rebirth. Who caused this disaster? And on this path to solve the riddle of MO's existence, what sorts of trials and tribulations lie ahead? ▶Clear quests with intertwining puzzles using strategic battle skills 360 degree gameplay that combines action and puzzle-solving. Use MO's ability to stick on surfaces to get past tricky traps, read the minds of monsters, control them like a parasite, and dash past danger as you fly through the air. ▶Exceptionally unique environmental design MO has an exquisite pixel art that is both adorable yet dark, giving the game a full-bodied sci-fi atmosphere. Besides fitting the storyline perfectly, the amazing aesthetic effects are a constant visual feast for players as they adventure onward. ▶A soundtrack that is elegant and emotionally moving The game's theme song has been carefully crafted to express the story of MO's adventure, while the background music and sound effects for each quest fit perfectly with each environment. ▶Collaborating to create a moving masterpiece An exceptional masterpiece, developed by Archpray Inc. and produced by Rayark Inc.
Railbound
A cozy puzzle game where you guide two dogs on a global train adventure. Bend and connect railways to help carriages reach the locomotive safely, navigating over 240 unique challenges across diverse landscapes. Enjoy a relaxing experience with charming visuals and a soothing soundtrack.
- Bend and connect railways
- Over 240 clever puzzles
- Train-inspired mechanics (tunnels, barriers, switches)
- Comic-book-inspired visuals
- Relaxing original soundtrack
- Pick up cute friends
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Railbound is a comfy track-bending puzzle game about a pair of dogs on a train journey around the world. Connect and sever railways across different landscapes and help everyone reach their homes. Solve over 240 clever puzzles ranging from gentle slopes to twisted passageways. BEND RAILS TO MAKE THE TRAIN GO ‘CHOO-CHOO' Place, remove and reroute connections so that carriages safely connect to the locomotive. But be careful and don’t make them run into each other! 240+ PUZZLES TO COMPLETE Our main levels will take you through a variety of locations at a relaxed pace. Forks along the road will lead you to spicy brainteasers that’ll please even the most demanding players! TRAIN-INSPIRED MECHANICS Use tunnels to cover vast distances in an instant. Delay trains using well-timed railway barriers. Switch tracks to reroute cars in different directions. Pick up cute friends on the way and encounter even more challenges on your journey! ART AND MUSIC FULL OF WHOLESOME VIBES Across the game’s world enjoy our comic-book-inspired visuals and a relaxing original soundtrack by the team behind Golf Peaks and inbento.
Screenshots
Verdict
The clearest difference is update cadence: Railbound at every 3 days against MO's every 3 weeks. Railbound also leads on chart position (#94 vs unranked). On price, rating, review sentiment and ratings volume there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
MO costs $4.99 and Railbound $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Railbound holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 47 and 119 respectively. Written reviews split almost evenly too, at 80% and 80% positive.
MO ships an update every 3 weeks, Railbound every 3 days. Both last shipped on October 27, 2026.
| Parameter | MO | Railbound |
|---|---|---|
| Price | $4.99 | $4.99 |
| Rating | 4.6 (47 ratings) | 4.8 (119 ratings) — better |
| Positive reviews | 79.5% of reviews | 80.0% of reviews — better |
| Number of ratings | 47 | 119 — better |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #94 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 2.5 GB | 229 MB |
| Age rating | 12+ | 4+ |
| Developer | Rayark International Limited | Afterburn Lukasz Spierewka |
Customer experience
MO
Railbound
In-app purchases
MO
No in-app purchases
Railbound
No in-app purchases









