Complex sentence: While Final Bout reaped a long sleet of sales, it was assumed that Bandai was no longer developing games based on the Dragon Ball franchise, and some rare in-production screenshots revealed that the game may have looked sleeker than the final product.
Split into simpler sentences: While Final Bout reaped a long sleet of sales, it was assumed that Bandai was no longer developing games based on the Dragon Ball franchise. As a result, some rare in-production screenshots showed that the game may have looked sleeker than the final product.