Half-Life: Return to White Forest

 is the sequel to Half-Life 4: Return to City 17, and the third instalment in the Half-Life: Return to... series.

Plot
After the second destruction of City 17, Gordon Freeman finds himself back to where his original journey ended: White Forest. But he finds that the countryside has been taken over by pro-Combine loyalists who want to usher in a new Seven Hour War and for their Combine masters to be reinstated into power.

Future
Further instalments in the Half-Life: Return to... series is planned. This includes Half-Life: Return to Ravenholm, Half-Life: Return to Borealis and Half-Life: Return to Aperture, the latter which will be a Portal crossover.