Once the initial swell of sales fades, will Spore continue to sell and match the success of The Sims. This article at gameplayer examines the uphill battle that Spore is facing to succeed in its small window of opportunity between The Sims 2 and The Sims 3.
"Not bloody likely! In fact, despite its truly awesome premise, Spore could tank. It could be gaming's Titanic, a technological marvel defeated by its own grandiose nature. Let us explain…"