When comparing Heroes Against Darkness vs Warrior, Rogue, & Mage, the Slant community recommends Warrior, Rogue, & Mage for most people. In the question“What are the best tabletop RPGs?” Warrior, Rogue, & Mage is ranked 11th while Heroes Against Darkness is ranked 33rd.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Focuses on simplicity
The game uses a single "d20 + modifier ≥ target" mechanic for everything. Characters can be created in less than 5 minutes. The writing is concise and clear.
Pro Deep, without being cluttered
A lot of meta-tools such as templates, etc, that make combat encounters incredibly simple to construct. Great tools for creature-building. A lot of good information on world-building. You can make any type of game efficiently, from hack-and-slash to role-playing. If you have played in a D&D campaign, this is a great choice for your first outing as a GM.
Pro Light ruleset
Pro Easily expanded and adapted
Pro Beginner-friendly
Pro WR&M derivatives can be shared and even sold freely
Released under the Creative Commons Attribution 3.0 Unported license, which means you can create WR&M derivatives and share them freely or even sell them. It’s the same open license Fate Core uses.
Pro Good if you like Simulationist RPGs
If you like RPGs putout by the big publishers, you will probably like this game.
Cons
Con Requries prior knowledge of RPGs to completely understand
Some knowledge will be required to understand the rules as there are some unexplained conventions that are presumed to be understood.
Con Simulationist
GM-based
Unequal distribution of authority
If you like Story Games (i.e. GMless, Collaborative RPGs) this is not for you.