Here is the full list of all 500 Crazy Alien achievements.
You saved 500 animals
You saved 499 animals
You saved 498 animals
You saved 496 animals
You saved 497 animals
You saved 495 animals
You saved 494 animals
You saved 492 animals
You saved 493 animals
You saved 491 animals
You saved 489 animals
You saved 490 animals
You saved 488 animals
You saved 487 animals
You saved 486 animals
You saved 485 animals
You saved 484 animals
You saved 483 animals
You saved 482 animals
You saved 481 animals
You saved 479 animals
You saved 480 animals
You saved 477 animals
You saved 478 animals
You saved 476 animals
You saved 475 animals
You saved 474 animals
You saved 473 animals
You saved 472 animals
You saved 471 animals
You saved 470 animals
You saved 469 animals
You saved 468 animals
You saved 467 animals
You saved 466 animals
You saved 464 animals
You saved 465 animals
You saved 462 animals
You saved 463 animals
You saved 461 animals
You saved 460 animals
You saved 458 animals
You saved 459 animals
You saved 457 animals
You saved 455 animals
You saved 456 animals
You saved 454 animals
You saved 453 animals
You saved 452 animals
You saved 451 animals
You saved 450 animals
You saved 449 animals
You saved 448 animals
You saved 447 animals
You saved 446 animals
You saved 445 animals
You saved 444 animals
You saved 443 animals
You saved 442 animals
You saved 441 animals
You saved 440 animals
You saved 439 animals
You saved 438 animals
You saved 437 animals
You saved 436 animals
You saved 435 animals
You saved 434 animals
You saved 433 animals
You saved 432 animals
You saved 431 animals
You saved 430 animals
You saved 429 animals
You saved 426 animals
You saved 427 animals
You saved 428 animals
You saved 425 animals
You saved 423 animals
You saved 424 animals
You saved 422 animals
You saved 420 animals
You saved 421 animals
You saved 419 animals
You saved 418 animals
You saved 416 animals
You saved 417 animals
You saved 415 animals
You saved 414 animals
You saved 412 animals
You saved 413 animals
You saved 411 animals
You saved 410 animals
You saved 409 animals
You saved 408 animals
You saved 407 animals
You saved 405 animals
You saved 406 animals
You saved 403 animals
You saved 404 animals
You saved 402 animals
You saved 400 animals
You saved 401 animals
You saved 398 animals
You saved 399 animals
You saved 397 animals
You saved 396 animals
You saved 394 animals
You saved 395 animals
You saved 393 animals
You saved 392 animals
You saved 390 animals
You saved 391 animals
You saved 389 animals
You saved 388 animals
You saved 387 animals
You saved 386 animals
You saved 385 animals
You saved 384 animals
You saved 383 animals
You saved 382 animals
You saved 381 animals
You saved 380 animals
You saved 379 animals
You saved 378 animals
You saved 376 animals
You saved 377 animals
You saved 375 animals
You saved 374 animals
You saved 373 animals
You saved 372 animals
You saved 371 animals
You saved 370 animals
You saved 368 animals
You saved 369 animals
You saved 367 animals
You saved 366 animals
You saved 365 animals
You saved 364 animals
You saved 363 animals
You saved 362 animals
You saved 360 animals
You saved 361 animals
You saved 359 animals
You saved 358 animals
You saved 357 animals
You saved 356 animals
You saved 355 animals
You saved 354 animals
You saved 353 animals
You saved 352 animals
You saved 350 animals
You saved 351 animals
You saved 349 animals
You saved 347 animals
You saved 348 animals
You saved 346 animals
You saved 345 animals
You saved 344 animals
You saved 343 animals
You saved 342 animals
You saved 341 animals
You saved 340 animals
You saved 339 animals
You saved 337 animals
You saved 338 animals
You saved 336 animals
You saved 335 animals
You saved 334 animals
You saved 332 animals
You saved 333 animals
You saved 331 animals
You saved 329 animals
You saved 330 animals
You saved 328 animals
You saved 327 animals
You saved 326 animals
You saved 325 animals
You saved 324 animals
You saved 323 animals
You saved 322 animals
You saved 321 animals
You saved 320 animals
You saved 319 animals
You saved 318 animals
You saved 317 animals
You saved 316 animals
You saved 314 animals
You saved 315 animals
You saved 313 animals
You saved 312 animals
You saved 311 animals
You saved 309 animals
You saved 310 animals
You saved 308 animals
You saved 307 animals
You saved 306 animals
You saved 305 animals
You saved 304 animals
You saved 303 animals
You saved 302 animals
You saved 300 animals
You saved 301 animals
You saved 299 animals
You saved 298 animals
You saved 297 animals
You saved 296 animals
You saved 295 animals
You saved 293 animals
You saved 294 animals
You saved 292 animals
You saved 291 animals
You saved 290 animals
You saved 289 animals
You saved 288 animals
You saved 287 animals
You saved 286 animals
You saved 285 animals
You saved 284 animals
You saved 283 animals
You saved 282 animals
You saved 281 animals
You saved 280 animals
You saved 278 animals
You saved 279 animals
You saved 276 animals
You saved 277 animals
You saved 274 animals
You saved 275 animals
You saved 273 animals
You saved 272 animals
You saved 271 animals
You saved 269 animals
You saved 270 animals
You saved 268 animals
You saved 267 animals
You saved 266 animals
You saved 265 animals
You saved 263 animals
You saved 264 animals
You saved 262 animals
You saved 261 animals
You saved 259 animals
You saved 260 animals
You saved 258 animals
You saved 257 animals
You saved 256 animals
You saved 255 animals
You saved 254 animals
You saved 253 animals
You saved 252 animals
You saved 251 animals
You saved 249 animals
You saved 250 animals
You saved 247 animals
You saved 248 animals
You saved 246 animals
You saved 245 animals
You saved 244 animals
You saved 243 animals
You saved 242 animals
You saved 241 animals
You saved 240 animals
You saved 239 animals
You saved 238 animals
You saved 237 animals
You saved 236 animals
You saved 235 animals
You saved 234 animals
You saved 233 animals
You saved 232 animals
You saved 231 animals
You saved 230 animals
You saved 228 animals
You saved 229 animals
You saved 227 animals
You saved 226 animals
You saved 225 animals
You saved 224 animals
You saved 223 animals
You saved 221 animals
You saved 222 animals
You saved 220 animals
You saved 219 animals
You saved 218 animals
You saved 217 animals
You saved 216 animals
You saved 215 animals
You saved 214 animals
You saved 213 animals
You saved 212 animals
You saved 211 animals
You saved 210 animals
You saved 209 animals
You saved 208 animals
You saved 206 animals
You saved 207 animals
You saved 205 animals
You saved 204 animals
You saved 203 animals
You saved 202 animals
You saved 201 animals
You saved 200 animals
You saved 199 animals
You saved 198 animals
You saved 196 animals
You saved 197 animals
You saved 195 animals
You saved 194 animals
You saved 193 animals
You saved 192 animals
You saved 191 animals
You saved 190 animals
You saved 189 animals
You saved 188 animals
You saved 187 animals
You saved 186 animals
You saved 185 animals
You saved 184 animals
You saved 182 animals
You saved 183 animals
You saved 181 animals
You saved 180 animals
You saved 179 animals
You saved 178 animals
You saved 176 animals
You saved 177 animals
You saved 175 animals
You saved 174 animals
You saved 173 animals
You saved 172 animals
You saved 171 animals
You saved 170 animals
You saved 169 animals
You saved 167 animals
You saved 168 animals
You saved 166 animals
You saved 165 animals
You saved 164 animals
You saved 163 animals
You saved 162 animals
You saved 160 animals
You saved 161 animals
You saved 159 animals
You saved 158 animals
You saved 156 animals
You saved 157 animals
You saved 155 animals
You saved 154 animals
You saved 153 animals
You saved 152 animals
You saved 151 animals
You saved 150 animals
You saved 149 animals
You saved 148 animals
You saved 147 animals
You saved 145 animals
You saved 146 animals
You saved 144 animals
You saved 143 animals
You saved 142 animals
You saved 141 animals
You saved 140 animals
You saved 139 animals
You saved 138 animals
You saved 137 animals
You saved 136 animals
You saved 135 animals
You saved 134 animals
You saved 132 animals
You saved 133 animals
You saved 131 animals
You saved 130 animals
You saved 128 animals
You saved 129 animals
You saved 127 animals
You saved 126 animals
You saved 125 animals
You saved 124 animals
You saved 122 animals
You saved 123 animals
You saved 121 animals
You saved 120 animals
You saved 119 animals
You saved 118 animals
You saved 117 animals
You saved 115 animals
You saved 116 animals
You saved 114 animals
You saved 113 animals
You saved 112 animals
You saved 111 animals
You saved 110 animals
You saved 109 animals
You saved 108 animals
You saved 107 animals
You saved 106 animals
You saved 105 animals
You saved 104 animals
You saved 103 animals
You saved 102 animals
You saved 101 animals
You saved 100 animals
You saved 99 animals
You saved 98 animals
You saved 97 animals
You saved 96 animals
You saved 94 animals
You saved 95 animals
You saved 93 animals
You saved 92 animals
You saved 91 animals
You saved 90 animals
You saved 89 animals
You saved 88 animals
You saved 87 animals
You saved 86 animals
You saved 85 animals
You saved 84 animals
You saved 83 animals
You saved 82 animals
You saved 81 animals
You saved 80 animals
You saved 79 animals
You saved 78 animals
You saved 77 animals
You saved 76 animals
You saved 75 animals
You saved 74 animals
You saved 73 animals
You saved 72 animals
You saved 71 animals
You saved 70 animals
You saved 69 animals
You saved 68 animals
You saved 67 animals
You saved 66 animals
You saved 65 animals
You saved 64 animals
You saved 63 animals
You saved 62 animals
You saved 61 animals
You saved 60 animals
You saved 59 animals
You saved 58 animals
You saved 57 animals
You saved 56 animals
You saved 55 animals
You saved 54 animals
You saved 53 animals
You saved 52 animals
You saved 51 animals
You saved 50 animals
You saved 49 animals
You saved 48 animals
You saved 47 animals
You saved 46 animals
You saved 45 animals
You saved 44 animals
You saved 43 animals
You saved 42 animals
You saved 41 animals
You saved 40 animals
You saved 39 animals
You saved 38 animals
You saved 36 animals
You saved 37 animals
You saved 35 animals
You saved 34 animals
You saved 33 animals
You saved 32 animals
You saved 30 animals
You saved 31 animals
You saved 29 animals
You saved 28 animals
You saved 27 animals
You saved 26 animals
You saved 25 animals
You saved 24 animals
You saved 23 animals
You saved 22 animals
You saved 21 animals
You saved 20 animals
You saved 19 animals
You saved 18 animals
You saved 16 animals
You saved 17 animals
You saved 15 animals
You saved 14 animals
You saved 13 animals
You saved 12 animals
You saved 11 animals
You saved 10 animals
You saved 9 animals
You saved 8 animals
You saved 7 animals
You saved 6 animals
You saved 4 animals
You saved 5 animals
You saved 3 animals
You saved 2 animals
You saved the animal