You know that popular roleplaying game everyone's talking about? This is it. But with a healthy dose of Old-School hexcrawling, dark tone and survival.

This is...

RUST & RUIN

200+ Pages of O5R goodness. 

• 6 Classes reïmagined
• New archetypes (A Dark Wizard turning into a Lich? sure.)

Gritty rules for gritty worlds like: 

• Weapons may degrade and break (If they're not mastercrafted)
• Only one level of exhaustion
• Rules on short & long rests
• New dangerous combat rules
• Magic items are the stuff of legends
• Worldbuilding tools
  
• Dungeon building
• Dungeon Boss creation
• 4 pages of rollable NPC names, locations, dungeons,...
• A simple Economy & Trade system
• How to handle story and questing while hexcrawling
• Instruction on how to create adventures
• Small hexcrawl adventure
• More maps
• Statblocks
• ...

It's close enough to 5e to "patch" it onto your campaign, but strong enough to stand on its own.

Enhance your campaign. Dive into Rust & Ruin here.