Games that are similar to Tunnel Rush in terms of fast-paced endless running and navigating through obstacles include:

1. Race the Sun: In this game, players control a solar-powered craft racing towards the sunset while avoiding obstacles and collecting power-ups. The game features procedurally generated levels and a fast-paced gameplay similar to Tunnel Rush.

2. Geometry Dash: While not a traditional endless runner, Geometry Dash challenges players to navigate through a series of geometric obstacles in rhythm-based levels. The game's fast-paced gameplay and focus on precision and timing make it somewhat similar to the intensity of Tunnel Rush.

3. Hyper Tunnel: This game is inspired by Tunnel Rush and features a similar concept of navigating through a tunnel filled with obstacles at high speeds. Players must react quickly to avoid crashing and see how far they can progress.