I'll play
Arado Ar68 (Germany)
Avia B-534 (Tsjechoslovakia)
Blériot-SPAD S.510 (France)
Bloch MB.151 (France)
Caudron C.714 Cyclone (France)
Curtiss P-36 (USA)
Dewoitine D.500 (France)
Fokker D.XXI (Holland)
Fokker G1 (Holland)
Gloster Gladiator (UK)
PZL P.24 (Poland)
Polikarpov I-15 I-16 (USSR)
Reggiane Re.2000 Falco 1 (Italy)
Macchi C.200 (Italy)
Saab J21 (Sweden)
Seversky P-35 (USA)
All planes never been done
All 1935-1940 planes. Not even mentioning the bombers, recon, jabo's, etc
Looks like there are more early warplanes never been done then late/uberwarplanes never been done
Bee out
PS: I want a RPS