Trying to identify a bunch of parts from sets I had as a child 20 years ago
These parts belong to a ton of different sets.
1st picture

Black Engine, Smooth Large, 1 x 2 Thin Top Plate can be found in 6 sets.

Black Tail with Rounded Top, Aquazone Aquashark Blue Shark with Red 'X' Pattern belong to one of three sets.

Slope 33 3 x 2 with Exploriens Logo Pattern was available in 6 sets.

White Hinge Train Gate 2 x 4 with Satellite Orbiting Earth Screen Pattern (Sticker) - Set 6458 is part of Satellite with Astronaut (6458) set:




Light Gray Tile 1 x 2 with Groove with Dynamite Pattern was in 40 sets.

Tile 2 x 2 with Groove with Alien Egg Pattern (Magnetic Sticker) - Exploriens Sets was in 8 sets.

Tile 2 x 2 with Groove with Dinosaur Skeleton and Bone Pattern (Magnetic Sticker) - Exploriens Sets was in 8 sets too.

Tile 2 x 2 with Spyrius Blue Screen with Plus Sign and Silver and Red Panel Pattern seen in 15 sets.

Container, Box 2 x 2 x 2 Door with Slot and Spyrius Pattern been in 3 sets.

Yellow Tile 1 x 2 with Groove with Underwater Navigation Pattern seen in 8 sets.

White Tile, Round 2 x 2 with Zebra Stripes Pattern been in 6 sets

Tile 1 x 2 with Groove with Blue and Yellow Controls Pattern (Ice Planet) available in 14 sets.

Red Tile 2 x 2 with Groove with Number 2 Bold White and Stripes Pattern been in 2 sets.

White Tile 2 x 2 with White Arrow in Blue Circle Pattern have been in 17 sets.

White Brick 1 x 3 with Radio and Dual Cassette Pattern Dark Pink/Green (Sticker) - Set 5895 has incorrectly applied sticker and has been available in Villa Belville (5895)




White Slope 33 3 x 2 with Number 1 Pattern has been part of 8 sets.

Black Slope 45 2 x 2 with Yellow Grille Pattern has been in 4 sets.

Black Slope 33 3 x 2 with Number 4 Pattern been in 8 sets.

White Tile 1 x 2 with Groove with 'POLICE' Red Line Pattern has been in 20 sets.

White Tile 1 x 2 with Groove with Arrow Short Yellow with Black Border Pattern been in 18 sets.

White Slope 75 2 x 1 x 3 - Open Stud with Shuttle and Blue/Red Circle Pattern, Model Right (Sticker) - Set 6614 AND Panel 1 x 2 x 1 with Blue -V- and two Red Lines Pattern (Sticker) - Set 6614
are unique to Launch Evac 1 (6614):




Assembly which feature distinctive Tile, Round 2 x 2 with Flame and Sand Green Border Pattern belong to Red Planet Cruiser (7311) set:



Blue Slope 33 3 x 2 with Number 2 Pattern been in 6 sets.

Blue Slope 33 3 x 2 with Ice Planet Logo Pattern been in 7 sets.

Windscreen 6 x 4 x 1 1/3 with Bottom Tabs and Hollow Studs with Number 7 and Blue, White and Red Swirls Pattern (Stickers) - Set 8223 AND Panel 1 x 2 x 1 with Number 7 on Right and Blue, White and Red Swirls Pattern (Sticker) - Set 8223 as name suggests is unique to Hydrofoil 7 (8223) set




One of the red tails is from Aero Hawk II (8812)



Other Red pieces are from Eagle Stunt Flyer (6615)



Tile 1 x 4 with 3 White Stars Pattern has been available in 6 sets.

2nd picture

Flag 7 x 3 with Rod with Space Port Solar Array with '2000-XZ' Pattern (Sticker) - Sets 6454 / 6456 / 6458 been in three sets. Conveniently, these are mentioned in part description.

Panel 3 x 5 Solar/Clip-On/Deltoid with Reflective Trapezoid Pattern (Sticker) been in 7 sets.

Electric, Light &amp; Sound 4 x 20 x 5 Insectoid Stinger have been part of 4 sets.

Both Wing Insectoid Large with Arm Hinge and Circuitry Pattern Left (Print on Top, Tip on Left, Logo at Back Edge)
and Wing Insectoid Large with Arm Hinge and Circuitry Pattern Right (Print on Top, Tip on Right, Logo at Back Edge) been in same 5 sets.

Windscreen 10 x 4 x 2 1/3 Canopy with Blue Outlines and Red Square Pattern
was in just Deep Sea Predator (6155)




While Windscreen 10 x 4 x 2 1/3 Canopy with Black Aquasharks Pattern is seen in the same set it has appeared in 3 sets overall.

Trans-Neon Green Cylinder Hemisphere 4 x 4 Multifaceted was in 9 sets.

Trans-Neon Green Dish 6 x 6 Inverted (Radar) Webbed - Type 2 (underside attachment positions at 90 degrees) was in 5 sets.

Trans-Green Dish 5 x 5 Scala was in just 3 sets, all from Belville theme, despite the use of &quot;Scala&quot; naming.

Trans-Light Blue Windscreen 4 x 4 x 4 1/3 Helicopter with Coast Guard Logo Pattern (Sticker) - Set 6342 as name suggest is specific to Beach Rescue Chopper (6342) set.




Trans-Dark Blue Windscreen 6 x 6 Octagonal Canopy with Axle Hole has been part of 7 sets.

3rd picture

White Tile, Round 8 x 8 seen in 4 sets.

Both White Wedge, Plate 7 x 12 Wing Left and White Wedge, Plate 7 x 12 Wing Right have been in 17 sets.

White Wedge, Plate 8 x 6 x 2/3 with Grille has been in just two sets.

White Brick, Round 1 x 1 Open Stud has been in whooping 472 sets.