Best Simulation Games on Nintendo DS: By Category

"DS sims games" could mean a few things. Here are the best for each interpretation:

1. Life/World Simulation (Nintendo DS)

• Animal Crossing: Wild World – Charming village life, real-time clock, deep customization.
• Harvest Moon: A New Beginning – Farming, relationships, town building.
• The Sims 2: Pets – Sim + pet care, simplified for DS.
• SimCity DS – City-building on the go.

2. Strategy/RPG Simulations

• Fire Emblem: Shadow Dragon – Tactical RPG with permadeath.
• Advance Wars: Dual Strike – Turn-based military strategy.

3. Puzzle/Adventure Simulations

• Professor Layton and the Curious Village – Puzzle-driven mystery.
• Elite Beat Agents – Rhythm-based "save the world" simulation.
• 999: Nine Hours, Nine Persons, Nine Doors – Escape-room visual novel.

4. Dragon-Themed Sims (Other Platforms)

• Dragon Age: Origins (PC/PS3/360) – Play as dragon-blooded warrior.
• Skyrim (PC/PS3/360+) – Become Dragonborn, ride dragons (with DLC).

Clarify what you're looking for — DS life sim, strategy, puzzles, or dragon games on other systems — and I'll narrow it down!