Achievement Guide
Unrailed 2: Back on Track has over 50 Steam achievements spanning distance milestones, biome unlocks, boss defeats, challenge feats, economy mastery, creative exploits, and hidden meta-progression goals. Some achievements come naturally through play, while others require deliberate strategies, specific game modes, or extreme endurance. The final GG achievement demands 100% completion of every other achievement — a multi-hundred-hour commitment.
Unlike the original Unrailed!, Unrailed 2 features permanent progression that carries between runs. Many achievements track cumulative progress across all sessions, making them less punishing than the original game's single-session requirements. Achievements that require specific single-run conditions are noted below.
Distance Milestones
Distance achievements track the total uninterrupted distance the train travels in a single run.
| Achievement | Distance Required | Global Unlock Rate |
|---|---|---|
| Train-ee | 100 m in a single run | High |
| Engine-er | 500 m in a single run | Moderate |
| Conductor | 1,000 m in a single run | 14.1% |
| Train-agement | 5,000 m in a single run | 2.0% |
| I Am Speed | Reach a speed of over 0.5 m/s in Endless mode | 4.6% |
Distance milestones are cumulative within a single run. A run that reaches 1,000 meters unlocks Train-ee, Engine-er, and Conductor all at once. Train-agement (5,000m) requires an extremely deep Endless run with a well-upgraded train and coordinated team.
Biome Unlocks
These achievements trigger when you first reach each biome during any Endless run.
| Achievement | Requirement |
|---|---|
| Just Getting Started | Unlock the Monorail Meadows biome |
| Sand Everywhere | Unlock the Cargo Canyon biome |
| Don't Get Stuck in a Spiderweb! | Unlock the Boxcar Bayou biome |
| A Vacation Destination | Unlock the Island Interchange biome |
| It's Hot Around Here | Unlock the Boiler Badlands biome |
| Where did that mountain come from? | Unlock the Loco Labyrinth biome |
| Hidden in Plain Sight | Unlock the Underground Unit biome |
| Sit Back and Relax | Unlock the Credits (complete all biomes) |
Biome unlocks are permanent. Once you reach a biome, it is unlocked for future runs, and you can choose to start from that biome with an unlocked engine. This means biome unlock achievements are one-time milestones that never need to be repeated.
Boss Defeats
Each biome boss has a dedicated achievement. These trigger on the first successful defeat of each boss.
| Achievement | Boss | Biome |
|---|---|---|
| It's Raining Dynamite | Mole Chief | Monorail Meadows |
| Find the Way | Sandworm Supervisor | Cargo Canyon |
| On your Tippy-Toes | Spider Queen | Boxcar Bayou |
| Ebb and Flow | Octoboss | Island Interchange |
| Torpedo Hell | Torpeboss | Boiler Badlands |
| Vanishing Trick | Mothermimic | Loco Labyrinth |
| Lookout! Lasers! | Head of the United Railway Division | Underground Unit |
Boss defeat achievements are straightforward — defeat the boss once, permanently unlock the achievement. If you are struggling with a specific boss, study the mechanics in the Biomes and Boss Strategies Guide and practice the biome in Sandbox mode.
Economy and Shopping
| Achievement | Requirement | Notes |
|---|---|---|
| Hexnut Hoarder | Collect a total of 200 hexnuts | Cumulative across all runs. Hexnuts are a secondary collectible currency. |
| High Earner | Earn 8 bolts on a single map | Requires a high-performance map with bolt-generating tasks and pickups. |
| Just Buy the Whole Place | Buy everything a shop station offers | Requires having enough bolts to purchase every item at a single station. |
| It's Paying Dividends! | Get 10 bolts from the Piggybank | Feed excess wood/iron into the Piggybank wagon. It converts commodities directly into bolts (30 items per bolt at Level 1, 8 at Level 2). |
| Shopaholic | Spend an hour in stations during a single run | Cumulative station time within one run. Take your time at shops. |
High Earner (8 bolts on a single map) requires completing all available tasks and collecting every map bolt in a single level. Focus on task completion efficiency and thorough exploration.
Track Construction and Gameplay Feats
| Achievement | Requirement | Notes |
|---|---|---|
| Sky High | Build a stack of 20 tracks | Stack 20 track pieces on the same tile. Requires deliberate stacking. |
| Wrong Way! | Turn the train around and go back 30 m | Build track that curves the train backward. Requires creative track-laying. |
| Tryhard | Play 2 extreme maps in a row | Must complete two consecutive extreme-difficulty maps without failing. |
| Bounty Hunter | Finish 10 tasks in a row without failing one | Requires consistent task completion across multiple levels. |
| So Many TODOs | Have 2 active tasks at the same time | Accept a second task before completing the first. |
| Ouroboros | Reach a biome for the second time in a single run | Requires the branching path system to loop back to a previously visited biome. The revisited biome becomes a "plus-biome" with elevated difficulty modifiers. (7.8% unlock rate) |
| Take the Scenic Route | Take over 20 minutes to reach the station | Intentionally slow your progress on a single map. Place Brake Tracks on the line to reduce train speed to 25%. |
Wrong Way! (30m backward) requires deliberately building track that curves the train back toward the starting point. This wastes significant resources and risks derailment. Attempt it on an easy map with a forgiving engine and plenty of bolts banked.
Wagon and Cartridge Mastery
| Achievement | Requirement | Notes |
|---|---|---|
| Stacked Tool Belt | Have 20 cartridges equipped at the same time | Requires collecting cartridges aggressively across multiple biomes without consuming them. |
| A Particular Taste | Equip the same cartridge 5 times | Find and equip 5 copies of the same cartridge type. Milk animals repeatedly for duplicates. |
| The Friends We Made Along the Way | Attach 5 different animals to a Milk Wagon at the same time | Requires reaching a biome with the 5th unique animal while keeping all previous animals attached. Extremely difficult due to animal despawning and detachment. |
| Master of Destruction | Explode a dynamite of at least level 6 | Requires stacking Level Increase extensions on a Dynamite wagon to push it to Level 6+. |
| Boo! | Make all your wagons ghosted without using the Spectral Express | Must use Ghost wagon range extensions to cover every wagon on the train. Cannot use the Spectral Express engine. (24.7% unlock rate) |
| Recycling | Extract an extension from a wagon | Use the Blacksmith station to destroy a wagon and reclaim its extension. |
| Unlimited Brake Power | Finally add some brakes to your train | Purchase the Brake Track Wagon. |
The Friends We Made Along the Way is one of the hardest achievements in the game. It requires keeping animals alive and attached through multiple biome transitions — each biome's animal must survive the journey to the next biome while you collect a new one. The Ghost wagon is mandatory to prevent animal death. Plan the entire run around animal survival.
Versus Mode
| Achievement | Requirement | Notes |
|---|---|---|
| This Is Mine Now | Steal 10 items in Versus mode | Cumulative across all Versus matches. Use the Cannon and interference mechanics to steal from the opposing team. |
Slot Machine
| Achievement | Requirement | Notes |
|---|---|---|
| Unlucky Ducky | Lose 3 times in a row at a slot machine station | Requires using the Slot Machine wagon and getting unlucky (or deliberately losing). |
| Get a Life | Win a life from the slot machine | The Slot Machine can award Extra Lives on jackpots. Stack Lucky Punch cartridges to improve odds. Cannot be earned while using the Toy Engine. |
Boss-Specific Challenge Feats
| Achievement | Requirement | Notes |
|---|---|---|
| What Goes Around, Comes Around | Let the Sandworm destroy its own hive | During the Sandworm Supervisor boss fight, lure the Sandworm near its own hive and let it surface there. |
| Scapegoat | Have a Junk Golem shoot down another one | During a Golem encounter, position yourself so one Golem's projectile hits another. |
| Watch the World Burn | Set a spiderweb field on fire | Use the Torch Cartridge to ignite a web-covered area in Boxcar Bayou. (14.4% unlock rate) |
Hidden and Meta Achievements
| Achievement | Requirement | Notes |
|---|---|---|
| Overachiever | Mine all the resources in the main menu | Interact with the main menu environment and mine every visible resource. (2.5% unlock rate) |
| Out of Production | Complete a map without crafting a single track | Use the Slot Machine Wagon or Brake Track Wagon to obtain pre-crafted tracks without using the Crafter. (1.7% unlock rate) |
| On Fire | Have all wagons burning at the same time | Deliberately let the engine overheat and spread fire to every wagon simultaneously. Catastrophic in normal gameplay — attempt on a throwaway run. |
| Team Kill | Take out 4 players with a single dynamite | Requires all 4 players to be within the blast radius of a single dynamite explosion. (4.5% unlock rate) |
| Nothing Left Behind | Mine every resource on a single map | Clear every tree and rock on an entire map. Trees on top of inaccessible mountains do not count toward this metric. (17.7% unlock rate) |
| Environment Friendly | Finish a map leaving nothing on the ground | Complete a map without leaving any items, resources, or tracks on the ground at the finish. (13.2% unlock rate) |
| Safe Work Environment | Reach the credits without using any explosives | Complete the entire game without using a single stick of dynamite. During the Mole Chief encounter, discard the boss's dynamite rather than using it. (1.0% unlock rate) |
| Well Informed | Complete the Handbook | Fill every entry by visiting all station types and equipping every unique cartridge (including Empty Cartridges). |
| Felix & Mathilde's Biggest Fan | Find all 4 soundtrack cassettes | Cassette locations: Main Menu (Back on Track), Train-ing Facility tutorial x2 (Toot-torial, Brakedance), post-Boiler Badlands boss station. |
| GG | Unlock all achievements | The ultimate completionist milestone. Requires 100% completion of every other achievement. (0.1% unlock rate) |
Safe Work Environment (no explosives from start to credits, 1.0% unlock rate) is one of the most punishing achievements in the game. Without dynamite, path clearing is entirely manual, and the Mole Chief encounter requires you to discard his thrown dynamite instead of collecting it. Late-game biomes become brutally slow without explosive clearing. Attempt this only after multiple successful clears with full dynamite loadouts. A four-player team with Brute Force cartridges and fully upgraded tools is the recommended setup.
Recommended Completion Strategy
Phase 1: Learn the Basics (0-15 hours)
- Play Endless mode with the Toy Engine (5 Hexnuts from the main menu) until you can consistently reach Cargo Canyon.
- Biome unlock achievements (Just Getting Started, Sand Everywhere) unlock naturally.
- Distance milestones (Train-ee, Engine-er) unlock during normal play.
- Focus on understanding resource flow, role delegation, and boss mechanics. Do not chase specific achievements.
- Hexnut Hoarder progress accumulates naturally.
- Overachiever (main menu mining) can be done anytime during a session break.
Phase 2: Push Through Biomes (15-40 hours)
- Reach Boxcar Bayou, Island Interchange, and Boiler Badlands to unlock their respective biome achievements.
- Defeat each boss for their dedicated boss achievement (It's Raining Dynamite, Find the Way, On your Tippy-Toes, etc.).
- Conductor (1,000m) unlocks during deeper runs.
- Start collecting cartridges aggressively for Stacked Tool Belt (20 cartridges equipped).
- Purchase and use the Piggybank wagon for It's Paying Dividends! — this takes time to accumulate.
- Attempt High Earner (8 bolts on one map) during a high-performance run.
Phase 3: Endgame Biomes and Challenge Feats (40-80 hours)
- Push into Loco Labyrinth and Underground Unit for Where did that mountain come from? and Hidden in Plain Sight.
- Defeat the Mothermimic and Head of the United Railway Division for their boss achievements.
- Reach the credits for Sit Back and Relax.
- Attempt Ouroboros (reach a biome for the second time via branching paths).
- Work on The Friends We Made Along the Way (5 animals on the Milk Wagon simultaneously).
- Master of Destruction (level 6 dynamite) requires significant extension stacking.
- Try for What Goes Around, Comes Around and Scapegoat during boss fights.
Phase 4: Completionist Cleanup (80+ hours)
- Train-agement (5,000m) requires an extremely long, well-managed run. Budget several hours.
- Safe Work Environment (no explosives to credits) is a full-game challenge run. Practice each biome without dynamite in Sandbox first.
- Wrong Way! (30m backward) requires a dedicated attempt on an easy map.
- Out of Production (no crafting) requires using the Slot Machine Wagon or Brake Track Wagon to obtain pre-crafted tracks.
- Complete remaining cumulative achievements (Bounty Hunter, Felix & Mathilde's Biggest Fan, Well Informed).
- Boo! (all wagons ghosted without Spectral Express) requires a specific extension build.
- This Is Mine Now (10 Versus steals) requires dedicated Versus mode play.
- GG unlocks when all other achievements are completed.
100% achievement completion across all 50+ achievements is a marathon. The Safe Work Environment achievement alone is a full-game challenge run. Boss-specific challenge feats (What Goes Around, Comes Around; Scapegoat) require deliberate setup and may take multiple attempts. Budget your achievement hunting across multiple weeks and enjoy the journey.
Achievement Tracking Tools
| Tool | What It Does |
|---|---|
| TrueSteamAchievements | Full sortable list, rarity tracking, community solutions |
| Steam Client | In-game overlay shows progress. Press Shift+Tab during gameplay. |
| SteamDB | Technical data, historical unlock rates, patch-specific changes |
| Steam Community Guides | Player-written walkthroughs with hidden achievement spoilers |
| In-game Handbook | Tracks biome encounters, enemy data, and mechanic discovery progress for the Well Informed achievement |