head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Optimization · Pure Optimization
An economic engine puzzle about balancing production chains across island settlements.

Optimization · Pure Optimization
A classic maze-building tower defense won almost entirely through optimal layouts.
Dawn of Discovery leans Optimization (Pure Optimization); Defense Grid 2 leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Dawn of Discovery
Pausable building keeps hands out of the equation
Defense Grid 2
Occasional orbital-ability timing, otherwise hands-off
Dawn of Discovery leans a little harder on reads, though the gap is small.
Dawn of Discovery
AI traders and rivals follow predictable scripts
Defense Grid 2
Fixed alien wave scripts, nothing adapts
Dawn of Discovery leans a little harder on variance, though the gap is small.
Dawn of Discovery
Island fertilities and resources are unknown until scouted
Defense Grid 2
Spawn schedules are deterministic and previewable
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Dawn of Discovery
Production chains and population-tier economics are the entire game
Defense Grid 2
Maze routing and tower economy are a solvable puzzle
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.