Game Modes
There are multiple game modes in Unrailed 2: Back on Track that you can select when starting a run.
Endless
- # Players: 1-4
- Playtime: 20m-♾️
Build from station to station, collect bolts and upgrade your train. Keep up with ever increasing train speed, defeat bosses and reach new biomes. How far can you go?
Endless mode is the default mode in unrailed. The run starts in the biome of your choice and you can progress towards the next biome by going through the boss level. Various permanent unlocks, such as cartridges and engines, must be done in this mode. Note that the playtime above is take from the in game menu. The actual playtime of a game is usually an hour at least and can go as long as 10 hours, requiring days to complete.
Classic
- # Players: 1-4
- Playtime: 20m-♾️
An arcade-inspired mode that’s easy to jump into. The ideal mode for quick onboarding or to get that classic Unrailed vibe. Choose a fixed difficulty and enjoy the game without having to think about cartridges or wagon extensions.
Classic mode is based on the original Unrailed.
In this mode, players do not have any cartridges.
All stations are the same that offer 3 level 1 wagons for purchase, or 3 wagons for upgrade. The cost of a new wagon is 
2, and the cost of a wagon upgrade is the same as the level of the upgrade (upgrades for the crafter and the storage are 1 cheaper).
There is no boss to fight. To progress towards the next biome, players can choose the station that represents the next biome at any station.
The order of biomes is fixed to be:
Monorail Meadows,
Boxcar Bayou,
Cargo Canyon,
Island Interchange,
Loco Labyrinth,
Boiler Badlands,
UnRailD HQ
UnRailD HQ is locked unless players can collect 6 keys. One key can be found in each biome, and when collected, the number of bolts increase by 1.
Versus
- # Players: 2-8
- Playtime: 30m-90m
Compete against your friends and find out who the better track builder is!
Your goal in Versus is to have the opposing team unrail first. You can use bombs to blow them up or drones to steal their items, bombs and drones are constructed using the Versus Constructor Wagon. Teams can consist of up to 4 players on each team. There are Speed Settings to make Games quicker or Slower: 1x, 2x and 3x Speed. After one team has gotten to the Station the other teams speed increases by 50% + 3%/s till they've reached the Station aswell then it goes back to normal. There are many Quests (some being excluded like one player tracks, kill no animals, each player milk one animal, ...) each granting the Team completing it first 6 tracks and 1 Bolt, there can be ties (both Teams getting the reward) if the time of completion is at nearly the exact same time or noone fails quests that require you to not do something.
Starting Layout
.
The 
Crafter Wagon starts at level 2 with a 
Speed-Boost extension already installed.
Stations
| Difficulty | Reward |
|---|---|
 Easy
|
1
|
 Medium
|
2
|
 Hard
|
3
|
Extra Bolts are granted for getting to the Station first and for completing Quests. The Team that gets to the Station first also gets to choose the next Station: There are 3 options Easy, Medium and Hard and 3 Station Types: Cartridge Stations, Wagon Stations and Extension Stations, Each path is given a random Station Type.
All Wagons, Extensions or Cartridges cost 2 Each. Each Station offers a free Wagon Upgrade and you can buy Extra Upgrades for 3
Time Attack
- # Players: 1-8
- Playtime: 20m
Get as far as possible before the time runs out!
Time mode gives players exactly 20m to go as far as possible. After 20m, the train speed goes up significantly.
Unlike the other modes, the train does not stop when a station is reached. The distance between each station is about the same as endless mode. By completing tasks before reaching the next station, players can unlock new items for the train, such as new extensions or wagons. When the engine connects to the station, the wagon at the station would be attached to the back of the train (or the front if the engine is the pusher engine). If you do not want to get the wagon to avoid making the train too long, you can skip the station and keep on going right. Cartridges can also be found through all the level.
Time mode also has weekly challenges where players around the world can compete on the same seed every week.
Sandbox
Configure the game as you wish.
You can play around with any wagon/engine/cartridges that you have already unlocked in a regular level. In addition, you can adjust the mining speed, engine level, number of lives, or even disable crashing completely.
Other than the first station, all the other stations are just regular 
#Endless mode stations.
This mode is perfect for testing out setups or exploring a biome that you are not familiar with.
Custom Map
- # Players: 1-8
- Playtime: 1-45m
Play on user created maps!
Play a map created by yourself or maps shared by other players online. Some items are exclusive to the custom mode.