Tunnel Rush vs Slope: Levels, Modes and Controls Compared
Published · Updated · 3 min read
Tunnel Rush and Slope are often listed together, and both are on this site. They share the basic idea of steering left and right at speed while the course comes at you, but they are built quite differently. This comparison uses the game files of both copies hosted here: the Unity WebGL build of Slope from Y8, and the browser build of Tunnel Rush, whose code is a Babylon.js bundle.
At a glance
| Slope | Tunnel Rush | |
|---|---|---|
| Structure | One endless run; the track is built at random as you go | Separate levels picked from a Select Level screen |
| Progress | A single best score | Levels that unlock (locked ones show a padlock) and up to three stars per level |
| Difficulty | No setting; the track gets harder through speed-ups | A difficulty button with easy, medium and hard |
| Modes | Single player | Classic Mode and 2 Player |
| Keyboard | Arrows, A/D or Q/D | Arrow keys; in 2 Player one side uses A/D and the other the arrows |
| Touch | Touch the left or right half of the screen | "Touch Left and Right to Steer" |
| Settings | Sound on/off | Volume and a Reset Progress button |
Endless track against fixed levels
This is the biggest difference. Slope never ends and never repeats: its spawner picks groups of track pieces at random, so no two runs share a layout. You improve by reading pieces faster, not by remembering them. Tunnel Rush is split into numbered levels. Its main menu has a level button that opens the level list, each level tile can show three stars, and levels you have not reached carry a lock icon. Because a level is the same each time, you can learn it.
How each game gets harder
Tunnel Rush lets you choose: the difficulty icon switches between easy, medium and hard. Slope gives you no choice. Its speed rises each time the ball crosses a SPEED UP section, and the number of speed-ups also controls how long its obstacle groups are. A Slope run starts gently and turns hard on its own schedule.
Playing with a friend
Tunnel Rush has a 2 Player button next to Classic Mode. It runs as a split screen, and at the end the game labels each side WINNER!, LOSER! or DRAW. Its hint for this mode reads "Use A,D and Left,Right to Steer", so two people can share one keyboard. Slope has no two-player mode. The closest thing is taking turns and comparing the best score saved in the browser.
What you are dodging
In Slope you ride on top of the track. You lose by touching a red block or by rolling off an edge, and the track itself includes tilted sections, narrow strips, gaps the ball has to fly over and tunnels. In Tunnel Rush you are inside the tunnel, so there is no edge to fall from; the danger is the blocks coming at you. If falling off the side is what keeps ending your Slope runs, Tunnel Rush will feel more forgiving in that one way.
Which one to play
- Pick Slope if you want short, endless attempts at one number and a track you can never memorise.
- Pick Tunnel Rush if you like finishing something: levels to unlock, stars to collect, a difficulty you can set, or a friend sitting next to you.
Both run in the page here with no download, and both steer with the same left and right keys, so switching between them takes no relearning.
More from the blog
- Slope for Beginners: What Happens in Your First Runs
A first-timer's walk through Slope: the menu, the control hint, what the camera does, how a run ends and how your best score is kept.
- How Slope Gets Harder: Runs, Repeats and Speed-Ups
Slope builds its track in runs of pieces picked at random. Here is how the game's spawner makes those runs longer and harder as your speed-up count grows.