Barrow Raiders and Workington Town both made it two wins out of two at the start of the Betfred League 1 season.
France international Hakim Miloudi scored on his debut for the Raiders as they beat Keighley Cougars 40-18, while winger Brad Holroyd claimed a hat-trick of tries in Town's 50-16 win over London Skolars.
Miloudi made his mark in the 22nd minute and Luke Cresswell and Jarrad Stack also grabbed early tries to help Barrow lead 18-0 before Brenden Santi pulled a try back for the Cougars, goaled by Jack Miller.
Jamie Dallimore added a fourth try for the home side on the stroke of half-time and Carter kicked his fourth goal to make it 24-6.
Jake Webster and Scott Murrell scored early in the second half to give the Cougars renewed hope but Stack and Ben Harrison added further tries for the home side to ensure victory.
Workington followed up their opening round win at Hunslet with a nine-try romp against the Skolars at Derwent Park.
Holroyd, who is on loan from Leigh Centurions, led the way and there were also two tries from the team's other winger Alex Young.
Jake Lightowler, Matthew Henson, Declan O'Donnell and Conor Fitzsimmons got Town's other tries, with Carl Forber kicking seven goals.
Two tries from Wakefield Trinity loanee Ollie Greensmith on his debut helped Doncaster RLFC edge out Rochdale Hornets 30-22 at the Keepmoat Stadium.
On Saturday, Hunslet and Coventry Bears got off the mark with victories in Wales.
The Hawks gained a 26-18 win over North Wales Crusaders at Colwyn Bay while the Bears were 36-10 winners over West Wales Raiders at Llanelli.
Results:
- Barrow Raiders 40-18 Keighley Cougars
- Workington Town 50-16 London Skolars
- Doncaster RLFC 30-22 Rochdale Hornets
- North Wales Crusaders 18-26 Hunslet Hawks
- West Wales Raiders RL 10-36 Coventry Bears
