The 29-year-old issued a warning to his team-mates, as he insisted the team have a lot of improvements to make after only 23 games into the season.
“We’re behind right now,” Harden said.
“We have a lot of catching up to do.”
The Rockets currently sit in 13th position in the Western Conference and hold a 11-12 record in the early part of this NBA season.
“For us, every game is a playoff atmosphere, a playoff type of game for us,” Harden added.
Rockets coach Mike D’Antoni believes there some positives in overcoming early season difficulties.
“It makes it better for the teams that struggle early,” D’Antoni said.
“But if you struggle all year, you’re in trouble.”
D’Antoni feels that his players are showing signs of playing at the level required but also conceded they are not there yet.
“We just have to get our stuff together and play 48 minutes,” he said.
“We can see signs of, ‘OK, we’re getting there.’
“We have a ways to go yet.”
The Rockets last game was a 103-91 loss on the road against the Minnesota Timberwolves.
For Houston it was definitely a game of two halves.
At the break they held a 19-point lead, before only mustering 29 points in the second half.
But Rockets’ point guard Chris Paul is not too worried with his team’s form yet.
“I’m still not that concerned, to tell you the truth,” Paul said.
“Somebody’s gotta beat us four out of seven times. I don’t see that happening.”
“It’s a lot different than last year,” he added.
“But once we figure it out, we’ll be alright.”