Even without mods, the base game offers hundreds of hours of survival strategy. Managing a colony’s moods, injuries, and food supplies is addictive and frequently hilarious in its cruelty.
Having "All DLC" included changes the game entirely. Royalty adds psychic powers; Ideology lets you turn your colony into anything from "tree-worshipping hippies" to "blind tunnel-dwellers"; and Biotech introduces the complexity of raising a family and building a robot army.
While I can't review the specific download link or file integrity, here is a review of and its content to help you decide if it’s worth your time: Review: RimWorld v1.4 (The "Biotech" Era)
When dealing with .zip files from unofficial sources, always run a virus scan and be wary of "cracked" executables that may trigger security alerts.
4, or would you like a list of for that specific version?
If you enjoy management sims like Dwarf Fortress or The Sims but want more "organ harvesting" and "raider defense," this version of RimWorld is a masterpiece of game design.