[quote name='elessar123']Infinite Space, first playthrough was ~58 hours in my saved game, probably 2 extra hours for losses, etc (was about 15 hours for Act 1, the rest for Act 2). Did every bar "side quest" I could find, recruited everyone I could in my playthrough, ended with over $1mil (grossly overestimated the cost of my end fleet, so could have shaved maybe a 1-2 hours off) and fleet of 1x Corsair and 4x Picaroons. Without grinding for my fleet, while reading everything, not doing the side quests, it'd probably be closer to 50 hours.
EX mode took about 9 hours, same fleet.[/QUOTE]
I can defiantly vouch the time for Infinite Space for DS. I did most side quests as well and my act one and act two hours are around 10+ hours since they gave you a big opening world at the beginning of the game. I kept getting lost, so I used a guide to figure out where I have to go for main story mode. I didn't need the guide for battles. It's easy enough already. My clock is slight less, but you have to account for me using a guide. I did grind for money to get 2 corsairs. I thought last boss was going to be really hard. But that was highly unnecessary, considering last boss use really stupid tactics.