For a fun little sandbox experience,
Train Frontier Express could be exactly what you desire.
INDIEGAMES.COM

A remarkably fully featured offering.
EUROGAMER

A nice break from all the side-scrolling Indie games.
KOTAKU XBLIG Pick

WINNER 2011
Indie Games Summer Uprising

Potato Shaders 189 Extra Quality [patched] -

You can BUILD, RIDE, SHARE with friends in a this landscape building and rail riding good time.

Sculpt your own landscapes, then HOP ONLINE to share your map, take a ride, or build together in REALTIME.

Train Frontier is both STYLIZED and FRIENDLY, taking inspiration from MODEL TRAIN SETS, while eschewing the more complex train sim format.

Potato Shaders 189 Extra Quality [patched] -

: Download the OptiFine Ultra version for 1.8.9. Double-click the file to install it, ensuring you have run 1.8.9 at least once before.

You need either (version 1.12 or newer) or Iris Shaders (version 1.5.0 or newer) installed and working correctly. potato shaders 189 extra quality

The "189" in the keyword likely refers to a . Many Minecraft shader packs use numerical versioning—for example, version 1.8.9. Minecraft Java Edition has many active versions such as 1.8.9, 1.12.2, 1.16.5, 1.18.2, and the latest 1.21 updates. Players often search for shaders compatible with their specific Minecraft version, which explains why a version number like 189 (1.8.9) is included in the search term. : Download the OptiFine Ultra version for 1