"We feel we are playing some decent football, the handbrake is off as far as I’m concerned and we are going all out to win games," Wilder told the official club website.
The Sixfields boss also believes that gates will increase over the next few matches as Town are playing a more attractive brand of football.
Weekend opponents York City are currently two places and two points above the relegation zone.
They gained a crucial home victory against Tranmere Rovers last time out, however, and have been further boosted by the re-signing on loan of Sheffield United forward Diego De Girolamo, scorer of four goals in eight games for the Minstermen earlier in the campaign.
The two sides shared a 1-1 draw at Bootham Crescent back in mid-August when Marc Richards scored a 90th minute equaliser for the visitors.