Cosmic Express vs Railbound
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Cosmic Express
Plan intricate train routes for a quirky space colony in this challenging puzzle game. Navigate hundreds of levels filled with cute aliens and increasingly difficult scenarios. Enjoy hours of engaging, frustrating fun without any in-app purchases or ads.
- Train route planning puzzles
- Hundreds of levels
- Cute alien characters
- Challenging gameplay
- No in-app purchases
- No ads
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Cosmic Express is a puzzle game about planning the train route for the world's most awkward space colony, from the minds behind A Good Snowman Is Hard To Build and the art of Tyu from Klondike. It's cute, harder than it looks, and guaranteed to give you hours of frustrating fun across hundreds of levels. No in-app-purchases or ads. iPhone 5S, iPad Air, iPad Mini 2 or later recommended. Awards: Finalist - IMGA Global, 2017 Finalist - IndiePlus, 2017 Official Selection - Indie Megabooth, GDC 2017 Official Selection - Google Play Indie Corner, PAX 2016
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 Cosmic Express's every 3 weeks. Railbound also leads on chart position (#56 vs unranked) and price ($4.99 vs $5.99). Cosmic Express's advantage is review sentiment (91% vs 80%) and iOS requirement (6.0 vs 12.0). On rating, ratings volume, ads and in-app purchases 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
Cosmic Express costs $5.99 and Railbound $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.8 for Cosmic Express against 4.8 for Railbound. Both are backed by a comparable volume of ratings — 198 and 117 respectively. Written reviews are what separate them: 91% of Cosmic Express's written reviews are positive against 80% of Railbound's.
Cosmic Express ships an update every 3 weeks, Railbound every 3 days. The most recent releases landed on September 25, 2026 and September 22, 2026 respectively.
| Parameter | Cosmic Express | Railbound |
|---|---|---|
| Price | $5.99 | $4.99 — better |
| Rating | 4.8 (198 ratings) | 4.8 (117 ratings) |
| Positive reviews | 90.8% of reviews — better | 80.0% of reviews |
| Number of ratings | 198 — better | 117 |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #56 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 196 MB | 229 MB |
| Age rating | 4+ | 4+ |
| Developer | Draknek Limited | Afterburn Lukasz Spierewka |
Customer experience
Cosmic Express
Railbound
Bugs and requests
Cosmic Express
Reported bugs
3 issues- Delphinus 6 cannot achieve gold star despite correct solutions
- Accidental purchases through scrolling (multiple reports)
- Duplicate billing for already purchased app
Requested features
4 requests- Level editor mode to create and share custom puzzles
- Hint system or optional solution guides
- More levels or sequel content
- Different editing mode for easier track deletion/modification
Railbound
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Cosmic Express
No in-app purchases
Railbound
No in-app purchases
