When comparing Low Fantasy Gaming vs Open d6, the Slant community recommends Open d6 for most people. In the question“What are the best tabletop RPGs?” Open d6 is ranked 22nd while Low Fantasy Gaming is ranked 40th. The most important reason people chose Open d6 is:
Open d6 includes rulebooks for Fantasy, Adventure and Space settings.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Rules Light
Light rules framework with emphasis on GM rulings
Pro Dark & Dangerous Magic
Every time a spell is used, the caster must test for a Dark & Dangerous Magic effect.
Pro Open World Gaming
Specific rules to support open world/sandbox/episodic adventures, including Party Retreat & Chase rules, and random encounter tables based on location rather than level.
Pro Free PDF book
Free PDF download at the link: https://lowfantasygaming.com/
Pro Fast, Gritty Combat
Quick and engaging combat with martial exploits and injuries & setbacks when reduced to zero hp (assuming not dead)
Pro Includes rulebooks covering the more common genres
Open d6 includes rulebooks for Fantasy, Adventure and Space settings.
Pro No special dice required
The game can be played with common six-sided dice.
Pro A simplified variant, called Mini Six, is available
Mini Six is a fan-made variant of Open d6 that aims to be a distilled version of the Open d6 system.
Pro There are theme-related books available to start various types of games
D6 Space is West End Games old "Star Wars D6" game with all of the licensed Star Wars names removed. It's a stand alone complete game.
D6 Fantasy is a standalone ruleset for running a D&D type game with the D6 system.
D6 Adventure is a standalone ruleset for using the D6 system in a Wild West, spies, or modern adventure game.
All three have supplement books (Spaceship design, magic, aliens, etc).
Pro Each rulebook has a good introductory section
Cons
Con Not a new Low Fantasy Setting itself
The free LFG PDF is a rules system for use with your favourite low magic setting, not a new low fantasy setting itself.