Uhhh Bobboau... not even playing through the whole SupCom1 campaign lasted several days (lol). Barely one day matter of fact, for a full playthrough with one faction.
As far as Singleplayer goes the game was incredibly short, incredibly easy and well... ,with the heavily scripted missions, incredibly dull actually
Not to give the wrong impression, it was also the best Multiplayer RTS that i have ever played on the PC - by far.
The only strategy games that i was similarly impressed with were Battle Isle II, which wasn't realtime and Total Annihilation, which was lacking in multiplayer support (compared to Supcom anyways).
Playing Multiplayer on the huge 80x80 maps very rarely took as long as over 4-5 hours+ either.
A regular match on one of the 10x10, 20x20, 40x40 maps, playing 2 vs. 2 or 4 vs. 4, was as good as always over in 1-2 hours.
The SupCom 2 Demo certainly can be finished in under an hour. And from the first impression, it's just as bad as Supcom 1 was in Singleplayer (I mean how long does it take to figure out that easily predictable scripts that allow the player to prepare for the next stept as long as they fri**ing want are a bad idea for a singleplayer RTS lol), except.... it's also a lot smaller than Supcom 1.
BUT SIR MY WIFE IS ILLIMINATE
"But SIR, my secret lover my wife doesn't know about IS ILLUMINATE!"
Command: "I AM YOUR WIFE!"
"Hey Darling! So how's your day going?"
... was propably scrapped because it had too many lines of dialogue for the game